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‎عكس

MESOTHELIUM (SIMPLE SQUAMOUS EPITHELIUM)
view from surface
     Stained with silver nitrate

1 - nucleus of cell
2 - cell borders

SIMPLE SQUAMOUS EPITHELIUM
     Stained with haematoxylin and eosin
Nuclei of the epithelial cells are shown with an arrow

SIMPLE CUBOIDAL EPITHELIUM
     Stained with haematoxylin and eosin

SIMPLE CUBOIDAL EPITHELIUM
     Stained with haematoxylin and eosin

SIMPLE COLUMNAL EPITHELIUM
     Stained with haematoxylin and eosin

SIMPLE PSEUDOSTRATIFIED COLUMNAR EPITHELIUM
     Stained with haematoxylin and eosin

SIMPLE PSEUDOSTRATIFIED COLUMNAR CILIATED EPITHELIUM
     Stained with haematoxylin and eosin

SIMPLE PSEUDOSTRATIFIED COLUMNAR CILIATED EPITHELIUM
     Stained with iron haematoxylin

1 - basal membrane
2 - cilia at the apical surface of
     the epithelial cells

STRATIFIED (TWO-LAYER) COLUMNAR EPITHELIUM
     Stained with haematoxylin and eosin

STRATIFIED SQUAMOUS NONKERATINISING EPITHELIUM
     Stained with haematoxylin and eosin

1 - basal layer
2 - intermediate layer
3 - superficial layer

STRATIFIED SQUAMOUS NONKERATINISING EPITHELIUM
     Stained with haematoxylin and eosin

1 - basal layer
2 - intermediate layer
3 - superficial layer

STRATIFIED SQUAMOUS KERATINISING EPITHELIUM (EPIDERMIS)
     Stained with haematoxylin and eosin

1 - basal layer
2 - prickle cell layer (stratum spinosum)
3 - granular layer
4 - lucidar layer
5 - cornified layer

STRATIFIED SQUAMOUS KERATINISING EPITHELIUM (EPIDERMIS)
     Stained with haematoxylin and eosin

1 - basal layer
2 - prickle cell layer (stratum spinosum)
3 - granular layer
4 - lucidar layer
5 - cornified layer

TRANSITIONAL EPITHELIUM (UROTHELIUM)
     Stained with haematoxylin and eosin

1 - basal layer
2 - superficial layer

LAMELLAR (MATURE) BONE
     Stained with thionin and picric acid

1 - Haversian system (newly formed)
2 - Haversian canal
3 - interstitial system (older, partially resorbed, Haversian system)

LAMELLAR (MATURE) BONE
     Stained with thionin and picric acid

1 - Haversian system (for better understanding, two Haversian systems
      are bordered with dotted line)
2 - Haversian canal
3 - interstitial system (older, partially resorbed, Haversian system)

LAMELLAR (MATURE) BONE
     Stained with thionin and picric acid

1 - Haversian system (osteon)
2 - Haversian canal
3 - interstitial system (older, partially resorbed, Haversian system)
4 - outer cortical lamellae (cortical bone)
5 - periosteum

LAMELLAR (MATURE) BONE
     Stained with thionin and picric acid

1 - Haversian system (osteon)
2 - Haversian canal
3 - interstitial system (older, partially resorbed, Haversian system)
6 - osteocytes

WOVEN (IMMATURE) BONE
     Stained with haematoxylin and eosin

1 - intercellular bone matrix
2 - osteocytes
3 - periosteum

WOVEN (IMMATURE) BONE
     Stained with haematoxylin and eosin

1 - intercellular bone matrix
2 - osteocytes
3 - periosteum
4 - osteoclast

OSTEOCYTES
     Stained with haematoxylin

__________________________________________________________________

HYALINE CARTILAGE
     Stained with haematoxylin and eosin

1 - cells of the cartilage (chondrocytes, chondroblasts)
2 - intercellular cartilage matrix
3 - perichondrium

ELASTIC CARTILAGE
     Stained with iron haematoxylin

1 - cells of the cartilage (chondrocytes, chondroblasts)
2 - intercellular cartilage matrix
3 - perichondrium

FIBROCARTILAGE (INTERVERTEBRAL DISC)
     Stained with haematoxylin and eosin

1 - cells of the cartilage (chondrocytes, chondroblasts)
2 - intercellular cartilage matrix
3 - nucleus pulposus
4 - anulus fibrosus

TENDON (longitudinal cut)
     Stained with haematoxylin and eosin

1 - endothenonium (forms I level fasciculi)
2 - perithenonium (forms II level fasciculi)

TENDON (transverse cut)
     Stained with haematoxylin and eosin

1 - endothenonium (forms I level fasciculi)
2 - perithenonium (forms II level fasciculi)

__________________________________________________________________

LOOSE CONNECTIVE TISSUE
     Stained with iron haematoxylin

1 - fibroblasts
2 - collagen fibers
3 - elastin fibers

MAST CELLS
     Stained with toluidine blue

MAST CELLS
     Formaldehyde-induced fluorescence

ADIPOSE

ADIPOCYTES

     Stained with sudan III       

WHITE ADIPOSE TISSUE
     Stained with haematoxylin and eosin

PIGMENT CELLS
     Nonstained slide

__________________________________________________________________

BASOPHILS

EOSINOPHILS

NEUTROPHILS

LYMPHOCYTES

MONOCYTES

__________________________________________________________________

ELASTIC ARTERY (AORTA)
     Stained with orsein

1 - tunica intima
2 - tunica media
3 - tunica externa

ELASTIC ARTERY (AORTA)
     Stained with orsein

1 - tunica intima
2 - tunica media
3 - tunica externa

MUSCULAR ARTERY (left),
LARGE MUSCULAR VEIN (right)
     Stained with haematoxylin and eosin

1 - tunica intima
2 - tunica media
3 - tunica externa
4 - internal elastic lamina
     (is present only in arteries)

MUSCULAR ARTERY (left),
LARGE MUSCULAR VEIN (right)
     Stained with haematoxylin and eosin

1 - internal elastic lamina
     (is present only in arteries)
2 - elastic membranes within tunica media
     (are present only in arteries)

THE MICROCIRCULATION
(arterioles, venules, capillaries)
     Stained with haematoxylin and eosin

Capillaries are shown with arrows

CAPILLARIES
(in the myocardium)
     Stained with haematoxylin and eosin

Capillaries are shown with arrows

HEART (MYOCARDIUM)
     Stained with iron haematoxylin

Intercalated discs are shown with arrows

HEART (PURKINJE FIBERS)
     Stained with haematoxylin and eosin

1 - Purkinje fibers
2 - endocardium
3 - myocardium

HEART (PURKINJE FIBERS)
     Stained with haematoxylin and eosin

1 - Purkinje fibers
2 - endocardium
3 - myocardium

HEART (PURKINJE FIBERS)
     Stained with haematoxylin and eosin

1 - Purkinje fibers
2 - endocardium
3 - myocardium

HEART (PURKINJE FIBERS)
     Stained with haematoxylin and eosin

1 - Purkinje fibers
2 - endocardium
3 - myocardium

__________________________________________________________________

SKELETAL STRIATED (CROSS-STRIATED) MUSCLE TISSUE
longitudinal section
     Stained with haematoxylin and eosin

Longitudinally cut muscle fibers are shown;
cross-striations are seen along the fibers;
nuclei are located at peripheral parts of the fibers.

SKELETAL STRIATED MUSCLE TISSUE
longitudinal section
     Stained with iron haematoxylin

Longitudinally cut muscle fibers are shown;
cross-striations are seen along the fibers;
nuclei are located at peripheral parts of the fibers.

SKELETAL STRIATED MUSCLE TISSUE
longitudinal section
     Stained with iron haematoxylin

Longitudinally cut muscle fibers are shown;
cross-striations are seen along the fibers;
nuclei are located at peripheral parts of the fibers.

SKELETAL STRIATED MUSCLE TISSUE
transverse section
     Stained with iron haematoxylin

1 - longitudinally cut muscle fibers
2 - transversely cut muscle fibers
3 - cytoplasm of the muscle fiber (sarcoplasm)
4 - nuclei of the muscle fiber

CARDIAC STRIATED MUSCLE TISSUE (MYOCARDIUM)
longitudinal section
     Stained with iron haematoxylin

1 - nuclei of cardiomyocytes
2 - intercalated discs

SMOOTH MUSCLE TISSUE (VISCERAL MUSCLE TISSUE)
longitudinal section
     Stained with haematoxylin and eosin

SMOOTH MUSCLE TISSUE (VISCERAL MUSCLE TISSUE)
longitudinal section
     Stained with haematoxylin and eosin

__________________________________________________________________

NEURONE
Impregnated with aurum chloride

1 - body of the nervous cell (pericaryon)
2 - axon
3 - dendrites

NEURONE
Impregnated with silver nitrate

1 - body of the nervous cell (pericaryon)
2 - axon
3 - dendrites

NEURONE: neurofibrills
Impregnated with silver nitrate

1 - body of the nervous cell (pericaryon)
2 - axon
3 - dendrites
4 - nucleus
5 - cytoskeleton (neuronal microtubules
      and actin filaments) is stained with
      silver as black thin filaments

NEURONE: Nissl substance
Stained with toluidine blue by Nissl method

1 - ribosomes form clusters which are stained
      as granules or grains (Nissl substance)
2 - axon hillock
3 - axon
4 - nucleus
5 - nucleolus

NEURONE
Stained with haematoxylin and eosin

1 - body of the nervous cell (pericaryon)
2 - nucleus of the nervous cell
3 - satellite cells which cover bodies of nervous
      cells in peripheral nervous system

PERIPHERAL NERVE (transverse section)
Stained with osmium oxide

1 - myelinated nerve fibers (myelin sheath
      looks as dark thick ring)
3 - nonmyelinated nerve fibers

MYELINATED NERVE FIBRES
Node of Ranvier is indicated by arrow
Stained with osmium oxide

1 - node of Ranvier
2 - internode

MYELINATED NERVE FIBRES
Stained with osmium oxide

1 - node of Ranvier

NONMYELINATED NERVE FIBRES
Stained with haematoxylin and eosin

1 - nuclei of Schwann cells

NONMYELINATED NERVE FIBRES
Stained with haematoxylin and eosin

1 - nuclei of Schwann cells

MYELINATED AND NONMYELINATED NERVE FIBRES
     Electron microscopy image

1 - nonmyelinaled nerve fibre
2 - myelinaled nerve fibre
3 - axon
4 - cytoplasm of Schwann cell, which forms nonmyelinaled sheath
5 - myelin sheath
6 - mitochondria in axon

PATHOLOGICAL MYELINATED NERVE FIBRE
     Electron microscopy image

3 - wrinkled axon
5 - exfoliated myelin sheath

__________________________________________________________________

CEREBRAL CORTEX
Impregnated with silver nitrate

1 - molecular (plexiform) layer
2 - outer granular layer
3 - pyramidal cell layer
4 - inner granular layer
5 - ganglionic layer
6 - multiform cell layer

CEREBRAL CORTEX
Impregnated with silver nitrate

7 - bodies of neurons of ganglionic cell layer

CEREBRAL CORTEX
Impregnated with silver nitrate

4 - inner granular layer
5 - ganglionic layer

CEREBRAL CORTEX
Impregnated with silver nitrate

4 - inner granular layer
5 - ganglionic layer
7 - bodies of neurons of ganglionic cell layer
8 - àêñîíû íåéðîíîâ ãàíãëèîíàðíîãî ñëîÿ
9 - äåíäðèòû íåéðîíîâ ãàíãëèîíàðíîãî ñëîÿ

CEREBRAL CORTEX
Stained with haematoxylin and eosin

1 - molecular (plexiform) layer
2 - outer granular layer
3 - pyramidal cell layer
4 - inner granular layer
5 - ganglionic layer
6 - multiform cell layer

CEREBRAL CORTEX
Stained with haematoxylin and eosin

7 - bodies of neurons of ganglionic cell layer

__________________________________________________________________

CEREBELLAR CORTEX
Impregnated with silver nitrate

1 - molecular layer
2 - ganglionic layer (Purkinje cell layer)
3 - granular cell layer
4 - Purkinje neurons (cells)
5 - fold of the cortex
6 - white matter

CEREBELLAR CORTEX
Impregnated with silver nitrate

1 - molecular layer
2 - ganglionic layer (Purkinje cell layer)
3 - granular cell layer
4 - Purkinje neurons (cells)
5 - fold of the cortex
6 - white matter
7 - dendrites of Purkinje cells
8 - stellate neurons (cells) and basket neurons (cells)
11 - granular neurons (cells)

CEREBELLAR CORTEX
Impregnated with silver nitrate

1 - molecular layer
2 - ganglionic layer (Purkinje cell layer)
3 - granular cell layer
4 - Purkinje neurons (cells)
5 - fold of the cortex
6 - white matter
7 - dendrites of Purkinje cells
8 - stellate neurons (cells) and basket neurons (cells)
9 - stellate neurons
10 - axons of stellate and basket neurons, 
     twining cell bodies of Purkinje neurons
11 - granular neurons (cells)

CEREBELLAR CORTEX
Impregnated with silver nitrate

1 - molecular layer
2 - ganglionic layer (Purkinje cell layer)
3 - granular cell layer
4 - Purkinje neurons (cells)
7 - dendrites of Purkinje cells
8 - stellate neurons (cells) and basket neurons (cells)
9 - stellate neurons
10 - axons of stellate and basket neurons, 
     twining cell bodies of Purkinje neurons
11 - granular neurons (cells)

CEREBELLAR CORTEX
Stained with haematoxylin and eosin

1 - molecular layer
2 - ganglionic layer (Purkinje cell layer)
3 - granular cell layer
4 - Purkinje neurons (cells)

CEREBELLAR CORTEX
Stained with haematoxylin and eosin

1 - molecular layer
2 - ganglionic layer (Purkinje cell layer)
3 - granular cell layer
4 - Purkinje neurons (cells)

CEREBELLAR CORTEX
Stained with haematoxylin and eosin

1 - molecular layer
2 - ganglionic layer (Purkinje cell layer)
3 - granular cell layer
4 - Purkinje neurons (cells)

__________________________________________________________________

SPINAL CORD
Impregnated with silver nitrate

1 - gray matter
2 - white matter
3 - ventral horns of gray matter
4 - dorsal horns of gray matter
5 - lateral horns of gray matter

SPINAL CORD
Impregnated with silver nitrate

1 - gray matter (ventral horns)
2 - white matter
3 - nervous cell bodies 
4 - nervous fibers in transverse cut 
      (convey tracts)

SPINAL CORD
Impregnated with silver nitrate

1 - gray matter (ventral horns)
2 - white matter
3 - nervous cell bodies 
4 - nervous fibers in transverse cut 
      (convey tracts)

SPINAL GANGLION
Stained with haematoxylin and eosin

1 - cell bodies of neurons (located by groups)
2 - nerve fibers

SPINAL GANGLION
Stained with haematoxylin and eosin

1 - cell bodies of neurons (pseudo-unipolar neurons)
2 - nerve fibers

SPINAL GANGLION
Stained with haematoxylin and eosin

1 - cell bodies of neurons (pseudo-unipolar neurons)
2 - satellite cells
3 - nerve fibers
4 - interlayers of connective tissue

SPINAL GANGLION
Stained with haematoxylin and eosin

1 - cell bodies of neurons (pseudo-unipolar neurons)
2 - satellite cells
3 - nerve fibers
4 - interlayers of connective tissue

SYMPATHETIC GANGLION
Impregnated with silver nitrate

1 - cell bodies of neurons (multipolar neurons)
2 - nerve fibers

SYMPATHETIC GANGLION
Impregnated with silver nitrate

1 - cell bodies of neurons (multipolar neurons)
2 - nerve fibers

__________________________________________________________________

ORGAN OF CORTI (organ of hear)
     Stained with haematoxylin and eosin

1 - scala vestibuli
2 - scala media of the cochlear
3 - scala tympani
4 - vestibular membrane
5 - stria vascularis
6 - spiral ligament
7 - osseous spiral lamina
8 - spiral limbus (thickened mass above the free
    edge of the spiral lamina)
9 - vestibular surface (lip) of the limbus
10 - tympanic surface (lip) of the limbus
11 - basilar membrane
12 - organ of Corti
13 - spiral ganglion
14 - osseous labyrinth of the cochlear

15 - inner sensory (hair) cells
16 - outer sensory (hair) cells
17 - inner phalangeal cells
18 - inner pillar cells
19 - outer phalangeal cells
20 - tectorial membrane
21 - inner supporting cells
22 - intermediate supporting cells
23 - border supporting cells
24 - outer pillar cells
25 - tunnel of Corti

EYE
     Stained with haematoxylin and eosin

1 - cornea
2 - iris
3 - posterior chamber of the eye
4 - lens
5 - vitreous body
6 - ciliary body
7 - retina
8 - choroid
9 - sclera
10 - canal of Sclemm
11 - growth area of the lens
12 - anterior epithelium of the lens

EYE: RETINA, CHOROID
     Stained with haematoxylin and eosin

1 - 8 - retina
1 - optic nerve fibers
2 - ganglion cell layer
3 - inner plexiform layer
4 - inner nuclear layer
5 - outer plexiform layer
6 - outer nuclear layer
7 - outer processes of rods and cones
8 - pigmented epithelium
9 - choroid
10 - sclera

EYE: CORNEA
     Stained with haematoxylin and eosin

1 - anterior epithelium (stratified
      squamous epithelium)
2 - anterior basement (Bowman's) membrane
3 - substantia propria
4 - posterior basement (Descemet's) membrane
5 - posterior epithelium (simple squamous or endothelium)

EYE: CORNEA
     Stained with haematoxylin and eosin anterior epithelium (stratified
      squamous epithelium)
2 - anterior basement (Bowman's) membrane
3 - substantia propria
4 - basal layer of the epithelium
5 - intermediate layer of the epithelium
6 - superficial layer of the epithelium

EYE: IRIS
     Stained with haematoxylin and eosin

1 - anterior epithelium
2 - anterior terminal layer
3 - vascular layer
4 - posterior terminal layer
5 - pigmented layer
6 - blood vessel
7 - dilator pupillae musle
8 - constrictor pupillae musle

LACRIMAL GLAND
     Stained with haematoxylin and eosin

1 - secretory (end) unit
2 - interlobular connective tissue
3 - capsule

LACRIMAL GLAND
     Stained with haematoxylin and eosin

1 - secretory (end) unit
2 - intralobular excretory duct

TASTE BUDS
     Stained with haematoxylin and eosin

1 - taste buds
2 - stratified squamous epithelium of
     the mucosa of the tongue

MEISSNER'S CORPUSCLE
in the dermis of the skin of the fingertip
     Stained with haematoxylin and eosin

     Meissner's corpuscle (oval in shape)
     showed with arrow

MEISSNER'S CORPUSCLE
in the skin of the fingertip
     Stained with haematoxylin and eosin

     Meissner's corpuscle encircled with dotted line

1 - arrow shows nuclei of modified 
     neuroglial cells

PACINIAN CORPUSCLE
     Stained with haematoxylin and eosin

          Pacinian corpuscle encircled
          with dotted line
1 - multilayered connective tissue capsule
2 - modified neuroglial cells
      (form inned calsule)
3 - dendrite of a sensory neuron

HERBST AND GRANDRY SENSORY CORPUSCLE
     Stained with haematoxylin and eosin

          Herbst and Grandry corpuslcle encircled
          with dotted line
1 - multilayered connective tissue capsule
2 - modified neuroglial cells
      (form inned calsule or cone)
3 - dendrite of a sensory neuron

__________________________________________________________________

ESOPHAGUS
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica adventitia
5 - epithelium of the mucosa
6 - lamina propria of the mucosa
7 - muscularis mucosae
8 - glands in the lamina propria

ESOPHAGUS
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
5 - epithelium of the mucosa
6 - lamina propria of the mucosa
7 - muscularis mucosae
8 - glands in the lamina propria

ESOPHAGUS
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica adventitia
5 - epithelium of the mucosa
6 - lamina propria of the mucosa
7 - muscularis mucosae
8 - glands in the lamina propria

ESOPHAGUS
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
5 - epithelium of the mucosa
6 - lamina propria of the mucosa
9 - glands in the submucosa

GASTRO-ESOPHAGEAL JUNCTION
     Stained with haematoxylin and eosin

1 - stomach
2 - esophagus

GASTRO-ESOPHAGEAL JUNCTION
     Stained with haematoxylin and eosin

1 - stomach
2 - esophagus

FUNDAL PART OF THE STOMACH
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica serosa
5 - epithelium of the mucosa
6 - lamina propria of the mucosa (contains glands)
7 - muscularis mucosae

PYLORIC PART OF THE STOMACH
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
5 - lamina propria of the mucosa     
     (contains glands)
7 - gastric pits in the mucosa
8 - muscularis mucosae

FUNDAL PART (left),
PYLORIC PART (right)
OF THE STOMACH
     Stained with haematoxylin and eosin

1 - epithelium of the mucosa
2 - gastric pits in the mucosa
3 - glands in the lamina propria

__________________________________________________________________

DUODENUM
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica serosa
5 - villi
6 - glands (crypts) in the lamina
      propria of the mucosa
7 - glands in the tunica submucosa (Brunner's glands)

DUODENUM
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica serosa
5 - villi
6 - glands (crypts) in the lamina
     propria of the mucosa
7 - glands in the tunica submucosa (Brunner's glands)

JEJUNUM
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica serosa
5 - villi
6 - glands (crypts) in the lamina
     propria of the mucosa

JEJUNUM
     Stained with haematoxylin and eosin

1 - epithelium of the mucosa
      (covers villi)
2 - lamina propria of the mucosa
3 - goblet cells in the epithelium
4 - parts of the muscularis mucosae

JEJUNUM
     Stained with haematoxylin and eosin

1 - epithelium of the mucosa
      (covers villi)
2 - lamina propria of the mucosa
3 - goblet cells in the epithelium
4 - parts of the muscularis mucosae

ILEUM
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica serosa
5 - villi
6 - epithelium of the mucosa
      (covers villi)
7 - connective tissue of the lamina
      propria of the mucosa
6 - glands (crypts) in the lamina
      propria of the mucosa

COLON
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica serosa
5 - lymphoid follicle in the lamina
     propria of the mucosa

COLON
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica serosa

COLON
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - tunica muscularis propria
4 - tunica serosa
5 - glands (crypts) in the lamina
     propria of the mucosa

COLON
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - glands (crypts) in the lamina
     propria of the mucosa
4 - goblet cells in the epithelium of crypts

COLON
     Stained with mucicarmin

1 - tunica mucosa
2 - tunica submucosa
3 - goblet cells in the epithelium of crypts
      (stained with red-magenta color)

__________________________________________________________________

LIVER
     Stained with haematoxylin and eosin

1 - hepatic artery
2 - portal vien
3 - bile duct
4 - hepatocytes
1, 2, 3 - portal tract

LIVER
     Stained with haematoxylin and eosin

1 - hepatic artery
2 - portal vien
3 - bile duct
4 - hepatocytes
1, 2, 3 - portal tract

LIVER
     Stained with haematoxylin and eosin

1 - hepatic artery
2 - portal vien
3 - bile duct
1, 2, 3 - portal tract

LIVER
     Stained with haematoxylin and eosin

1 - hepatic artery
2 - portal vien
3 - bile duct
1, 2, 3 - portal tract

LIVER
     Stained with haematoxylin and eosin

4 - hepatocytes
5 - terminal hepatic (centrilobular) venule

LIVER
     Stained with haematoxylin and eosin

4 - hepatocytes
5 - terminal hepatic (centrilobular) venule
6 - hepatic sinusoid

LIVER
     Stained with haematoxylin and eosin

1 - capsule
2 - liver parenchyma

LIVER
     Stained with haematoxylin and eosin

1 - capsule
2 - liver parenchyma
4 - hepatocytes

PANCREAS
     Stained with haematoxylin and eosin

1 - glandular acinus
2 - islet of Langerhans
3 - main duct
4 - interlobular duct
5 - interlobular connective tissue septa

PANCREAS
     Stained with haematoxylin and eosin

1 - acinus
2 - islet of Langerhans
3 - interlobular connective tissue septa
4 - intralobular duct
5 - interlobular duct

PANCREAS
     Stained with haematoxylin and eosin

1 - acinus
2 - islet of Langerhans
3 - interlobular connective tissue septa
4 - blood vessels

PANCREAS
     Stained with haematoxylin and eosin

1 - acinus
2 - islet of Langerhans
3 - intralobular duct
4 - interlobular connective tissue septa

________________________________________________________

FILIFORM PAPILLAE OF THE TONGUE
     Stained with haematoxylin and eosin

1 - epithelium covering papilla
      (stratified squamous keratinizing)
2 - keratinized layer of the epithelium
3 - core of the papilla (lamina propria
      of the mucosa of dorsal surface of the tongue)
2 - tongue muscles

LEAF SHAPED PAPILLAE OF THE TONGUE
     Stained with haematoxylin and eosin

1 - epithelium covering papilla
      (stratified squamous nonkeratinizing)
2 - core of the papilla (lamina propria
      of the mucosa of dorsal surface of the tongue)
3 - taste buds

CIRCUMVALLATE PAPILLAE OF THE TONGUE
     Stained with haematoxylin and eosin

1 - epithelium covering papilla
      (stratified squamous nonkeratinizing)
2 - core of the papilla (lamina propria
      of the mucosa of dorsal surface of the tongue)
3 - taste buds

TOOTH
     Nonstained

1 - enamel
2 - dentine
3 - Retcius lines
4 - dentine tubules

TOOTH DEVELOPMENT - ENAMEL ORGAN
     Stained with haematoxylin and eosin

1, 3, 4 - enamel organ
1 - internal cells of the enamel organ
      (these cells will be ameloblsats)
2 - dental papilla
3 - external cells of the enamel organ
4 - cells forming the main bulk of
      the enamel organ (stellate reticulum)
5 - dental follicle
6 - epithelium of oral cavity

TOOTH DEVELOPMENT - FORMATION OF DENTAL TISSUES
     Stained with haematoxylin and eosin

1 - ameloblasts (former external cells of the enamel organ)
2 - enamel
3 - dentine (predentine)
4 - odontoblasts (cells which covered the top of dental papilla)
5 - dental pulp (former dental papilla)

TOOTH DEVELOPMENT - FORMATION OF DENTAL TISSUES
     Stained with haematoxylin and eosin

1 - ameloblasts
2 - enamel
3 - dentine (predentine)
4 - odontoblasts
5 - dental pulp
  border between enamel and dentine
  is marked with dot line

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MAMMALIAN PITUITARY GLAND
     Stained with haematoxylin and eosin

1 - anterior piruitary
2 - pars intermediata
3 - pars posterior

HUMAN PITUITARY GLAND,
ANTERIOR PITUITARY, ADENOHYPOPHYSIS
     Stained with haematoxylin and eosin

1 - acidophil cells
2 - basophil cells
3 - chromophobe cells
4 - thin streaks of connective tissue

HUMAN PITUITARY GLAND,
ANTERIOR PITUITARY, ADENOHYPOPHYSIS
     Stained with haematoxylin and eosin

1 - acidophil cells
2 - basophil cells
3 - chromophobe cells
4 - thin streaks of connective tissue

HUMAN PITUITARY GLAND, PARS POSTERIOR
     Stained with haematoxylin and eosin

1 - nuclei of pituicytes
2 - blood vessels

HUMAN PITUITARY GLAND,
ANALOGUE OF PARS INTERMEDIATA
     Stained with haematoxylin and eosin

1 - follicle-like structures
2 - thin streaks of connective tissue

EPIPHYSIS (PINEAL GLAND)
     Stained with haematoxylin and eosin

1 - pinealocytes
2 - pineal sand (salts of calcium, magnesium and
      silicon

EPIPHYSIS (PINEAL GLAND)
     Stained with haematoxylin and eosin

1 - pinealocytes
2 - pineal sand (salts of calcium, magnesium and
      silicon
3 - blood vessels

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THYROID GLAND
     Stained with haematoxylin and eosin

1 - thyroid follicle
2 - cavity of the thyroid follicle, filled with colloid
3 - blood vessel
4 - parafollicular cells forming interfollicular clumps

THYROID GLAND
     Stained with haematoxylin and eosin

1 - wall of the thyroid follicle, built from thyrocytes
2 - cavity of the thyroid follicle, filled with colloid
3 - blood vessel

THYROID GLAND
     Stained with haematoxylin and eosin

1 - wall of the thyroid follicle, built from thyrocytes
2 - cavity of the thyroid follicle, filled with colloid
3 - blood vessel
4 - parafollicular cells (C-cells)

PARATHYROID GLAND
     Stained with haematoxylin and eosin

1 - parathyrocytes
2 - thin streaks of connective tissue

ADRENAL GLAND (SUPRARENAL GLAND)
     Stained with haematoxylin and eosin

1 - outer capsule of the adrenal gland
2 - zona glomerulosa of the cortex
3 - sudanophobe layer of the cortex
4 - zona fasciculata of the cortexà
5 - zona reticularis of the cortex
6 - medulla

ADRENAL GLAND (SUPRARENAL GLAND)
zona glomerulosa of the cortex
     Stained with iron haematoxylin

1 - endocrine cells of the zona glomerulosa
2 - sudanophobe layer, contained
      low differentiated cells
3 - capsule of the adrenal gland
4 - wide diameter capillares

ADRENAL GLAND (SUPRARENAL GLAND)
zona fasciculata of the cortex
     Stained with iron haematoxylin

1 - endocrine cells of the zona fasciculata
2 - wide diameter capillares

ADRENAL GLAND (SUPRARENAL GLAND)
zona reticularis of the cortex
     Stained with iron haematoxylin

1 - endocrine cells of the zona reticularis
2 - wide diameter capillares

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TRACHEA
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - fibro-elastic layer
4 - tunica adventitia

TRACHEA
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - fibro-elastic layer
4 - tunica adventitia
5 - epithelium of the mucosa
6 - lamina propria of the mucosa
7 - lamina muscularis of the mucosa
8 - glands in the tunica submucosa
9 - hyaline cartilage

TRACHEA
     Stained with haematoxylin and eosin

1 - tunica mucosa
2 - tunica submucosa
3 - fibro-elastic layer
5 - epithelium of the mucosa
6 - lamina propria of the mucosa
7 - lamina muscularis of the mucosa
8 - evacuatory ducts of submucosal glands
9 - hyaline cartilage

LUNG
     Stained with haematoxylin and eosin

1 - middle diameter bronchus
2 - epithelium of the mucosa
3 - lamina propria of the mucosa
4 - lamina muscularis of the mucosa
5 - tunica submucosa
6 - fibro-elastic layer
7 - tunica adventitia
8 - alveoli
9 - interstitial connective tissue of the lung
10 - glands in tunica submucosa

NOTE!
There is bronchial system in the lung, from main, or primary, bronchi to bronchioles.
Morphologically, there are only two types of bronches in the lung.

• One type is large and middle diameter bronchi. This type of bronchi have tunica submucosa and fibro-elastic layer.
• Another type of bronchi is small diameter bronchi. It includes small bronchi and bronchioles. This type has not both submucosal fibro-elastic layers.

LUNG
     Stained with haematoxylin and eosin

1 - middle diameter bronchus
2 - epithelium of the mucosa
3 - lamina propria of the mucosa
4 - lamina muscularis of the mucosa
5 - tunica submucosa
6 - fibro-elastic layer
7 - tunica adventitia
8 - alveoli
9 - interstitial connective tissue of the lung
10 - glands in tunica submucosa

LUNG
     Stained with haematoxylin and eosin

1 - middle diameter bronchus
2 - epithelium of the mucosa
3 - lamina propria of the mucosa
4 - lamina muscularis of the mucosa
5 - tunica submucosa
6 - fibro-elastic layer
7 - tunica adventitia
8 - alveoli
9 - interstitial connective tissue of the lung
10 - glands in tunica submucosa

LUNG
     Stained with haematoxylin and eosin

1 - small diameter bronchus
3 - alveoli

LUNG
     Stained with haematoxylin and eosin

1 - small diameter bronchus
2 - alveoli
3 - epithelium of the mucosa
4 - lamina propria of the mucosa
5 - tunica muscularis propria
6 - tunica adventitia

LUNG
     Stained with haematoxylin and eosin

1 - middle diameter bronchus
2 - epithelium of the mucosa
3 - lamina propria of the mucosa
4 - lamina muscularis of the mucosa
5 - tunica submucosa
6 - fibro-elastic layer
7 - tunica adventitia
10 - glands in tunica submucosa

LUNG
middle diameter bronchus
     Stained with haematoxylin and eosin

2 - epithelium of the mucosa
3 - lamina propria of the mucosa
4 - lamina muscularis of the mucosa
5 - tunica submucosa
6 - fibro-elastic layer
7 - tunica adventitia

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SKIN OF THE FINGER
Stained with haematoxylin and eosin

1 - basal layer of epidermis
2 - prickle cell layer (stratum spinosum) of epidermis
3 - granular layer of epidermis
4 - lucidar layer of epidermis
5 - cornified layer of epidermis
6 - papillary layer of dermis
7 - reticular layer of dremis

SKIN OF THE FINGER
Stained with haematoxylin and eosin

1 - basal layer of epidermis
2 - prickle cell layer (stratum spinosum) of epidermis
3 - granular layer of epidermis
4 - lucidar layer of epidermis
5 - cornified layer of epidermis
6 - papillary layer of dermis
7 - reticular layer of dremis

SKIN OF THE FINGER
Stained with haematoxylin and eosin

1 - basal layer of epidermis
2 - prickle cell layer (stratum spinosum) of epidermis
3 - granular layer of epidermis
4 - lucidar layer of epidermis
5 - cornified layer of epidermis
6 - papillary layer of dermis
7 - reticular layer of dremis

HAIR SKIN
Stained with haematoxylin and eosin

1 - epidermis
2 - papillary layer of dermis
3 - reticular layer of dremis
4 - sebaceous gland
5 - hair follicle
6 - dermal papilla
7 - hair bulb
8 - hypodermis
9 - hair root

HAIR FOLLICLE
Stained with haematoxylin and eosin

1 - dermal papilla
2 - hair bulb
3 - inner root sheath
4 - outer root sheath
5 - hair root
6 - connective tissue sheath

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KIDNEY
     Stained with haematoxylin and eosin

1 - renal corpuscle
2 - proximal convoluted tubules
3 - distal convoluted tubules
4 - collecting tubule

KIDNEY
cortex
     Stained with haematoxylin and eosin

1 - renal corpuscle
2 - proximal convoluted tubules
3 - distal convoluted tubules
4 - collecting tubule

KIDNEY
cortex
     Stained with haematoxylin and eosin

1 - renal corpuscle
2 - proximal convoluted tubules
3 - distal convoluted tubules
4 - Bowman's capsulae space

KIDNEY
cortex
     Stained with haematoxylin and eosin

1 - renal corpuscle
2 - proximal convoluted tubules
3 - distal convoluted tubules

KIDNEY
cortex
     Stained with haematoxylin and eosin

1 - renal corpuscle
2 - proximal convoluted tubules
3 - distal convoluted tubules
4 - collecting tubule

KIDNEY
medulla
     Stained with haematoxylin and eosin

1 - thick ascending limb of the loop of Henle
2 - thin descending limb of the loop of Henle
3 - collecting tubule

KIDNEY
medulla
     Stained with haematoxylin and eosin

1 - thick ascending limb of the loop of Henle
2 - thin descending limb of the loop of Henle
3 - collecting tubule

KIDNEY
medulla
     Stained with haematoxylin and eosin

1 - thick ascending limb of the loop of Henle
2 - interstitial connective tissue

KIDNEY
medulla
     Stained with haematoxylin and eosin

1 - thick ascending limb of the loop of Henle
2 - interstitial connective tissue

KIDNEY
absorbtion of dye by proximal convoluted tubules
     Stained with haematoxylin and eosin

1 - renal corpuscle
2 - proximal convoluted tubule
3 - distal convoluted tubule
4 - collecting tubule
5 - capsule of the kidney

GLOMERULAR FILTER
(border between blood and primary urina)
     Electron microscopy image

1 - capillary endothelium of the glomerulus
2 - podocyte pedicles, or secondary foot processes
     (inner layer of the glomerular (Bowman's) capsulae)
3 - glomerular basement membrane; there are 3 layers:
     middle layer is more dark (lamina densa), outher layers look
      lighter (laminae rara)

GLOMERULAR FILTER
     Electron microscopy image

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TESTIS
     Stained with haematoxylin and eosin

1 - seminiferous tubules
2 - interstitial connective tissue

TESTIS
     Stained with haematoxylin and eosin

1 - seminiferous tubules
2 - interstitial connective tissue
3 - tunica albuginea

TESTIS
     Stained with haematoxylin and eosin

1 - seminiferous tubule
2 - interstitial connective tissue
3 - Leydig cells (interstitial cells)
4 - tunica albuginea

TESTIS
     Stained with haematoxylin and eosin

1 - seminiferous tubule
2 - Leydig cells

TESTIS
     Stained with haematoxylin and eosin

1 - seminiferous tubule
2 - spermatogonia
3 - primary spermatocytes
4 - secondary spermatocytes
5 - spermatids
6 - interstitial connective tissue
7 - Leydig cells

TESTIS
     Stained with haematoxylin and eosin

1 - seminiferous tubule
2 - spermatogonia
3 - primary spermatocytes
4 - secondary spermatocytes
5 - spermatids
6 - nuclei of Sertoli cells
7 - Leydig cells

__________________________________________________________________

EPIDIDYMIS
ductulus of the head of the epididymis
(ductulus efferens)
     Stained with haematoxylin and eosin

1 - ductulus efferens
2 - interstitial connective tissue

EPIDIDYMIS
ductulus of the head of the epididymis
(ductulus efferens)
     Stained with haematoxylin and eosin

1 - ductulus efferens
2 - interstitial connective tissue

EPIDIDYMIS
ductulus of the head of the epididymis
(ductulus efferens)
     Stained with haematoxylin and eosin

1 - ductulus efferens
2 - interstitial connective tissue

  cilia of the epithelial cells
  are shown with arrows

EPIDIDYMIS
ductulus of the head of the epididymis
(ductulus efferens)
     Stained with haematoxylin and eosin

  cilia of the epithelial cells
  are shown with arrows

EPIDIDYMIS
ductulus of the head of the epididymis
(ductulus efferens)
     Stained with haematoxylin and eosin

  cilia of the epithelial cells
  are shown with arrows

EPIDIDYMIS
ductulus of the body and caudal pard of the epididymis
     Stained with haematoxylin and eosin

1 - proximal part of the ductulus of the body of the epididymis
2 - distal part of the ductulus of the body of the epididymis
3 - interstitial connective tissue

EPIDIDYMIS
ductulus of the body of the epididymis
     Stained with haematoxylin and eosin

1 - proximal part of the ductulus of the body of the epididymis
2 - distal part of the ductulus of the body of the epididymis
3 - interstitial connective tissue

EPIDIDYMIS
ductulus of the body of the epididymis
     Stained with haematoxylin and eosin

1 - proximal part of the ductulus of the body of the epididymis
2 - distal part of the ductulus of the body of the epididymis
3 - interstitial connective tissue

EPIDIDYMIS
ductulus of the body of the epididymis
     Stained with haematoxylin and eosin

__________________________________________________________________

PROSTATE GLAND
     Stained with haematoxylin and eosin

1 - main prostatic glands
2 - stroma composed from smooth muscle cells and connective tissue
3 - stroma composed from smooth muscle cells and connective tissue
4 - fibro-elastic capsule
5 - prostatic part of the urethra

PROSTATE GLAND
     Stained with haematoxylin and eosin

1 - end secretory parts of main prostatic glands
2 - intralobular excretory duct
3 - stroma composed from smooth muscle cells and connective tissue

PROSTATE GLAND
     Stained with haematoxylin and eosin

1 - lobules of the main proststic glands
2 - end secretory parts of main prostatic glands
3 - stroma composed from smooth muscle cells and connective tissue

PROSTATE GLAND
     Stained with haematoxylin and eosin

1 - end secretory parts of main prostatic glands

PROSTATE GLAND
     Stained with haematoxylin and eosin

2 - end secretory parts of main prostatic glands
3 - stroma composed from smooth muscle cells and connective tissue
4 - prostatic concretions in the end secretory parts of the glands

PROSTATE GLAND
     Stained with haematoxylin and eosin

2 - end secretory parts of main prostatic glands
3 - stroma composed from smooth muscle cells and connective tissue
4 - prostatic concretions in the end secretory parts of the glands

PROSTATE GLAND
transitional epithelium of the prostatic part of the urethra
     Stained with haematoxylin and eosin

1 - transitional epithelium
2 - tunica propria of the mucosa of 
      prostatic part of the urethra

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OVARY
Stained with haematoxylin and eosin
general view

1 - cortex
2 - medulla
3 - area where primordial follicles are located
4 - primordial follicles

5 - secondary follicles
6 - tertiary follicles
7 - mature follicles (Graafian follicles)
8 - atretic follicles

cortex

cortex

1 - secondary follicle
2 - follicular (granulosa) cells
3 - oocyte
4 - zona pellucida
5 - primordial follicle

6 - simple cuboidal epithelium
      which covers the ovary
7 - tunica albuginea
8 - interstitial connective tissue
9 - theca

cortex
primary follicle

cortex
secondary follicle

1 - primary follicle
2 - follicular (granulosa) cells
3 - oocyte
4 - zona pellucida
5 - primordial follicle
8 - interstitial connective tissue
9 - theca

1 - secondary follicle
2 - follicular (granulosa) cells
3 - oocyte
4 - zona pellucida
5 - secondary follicles
8 - interstitial connective tissue
9 - theca

cortex
primordial follicles

cortex
atretic follicle

5 - primordial follicles
6 - simple cuboidal epithelium
7 - tunica albuginea
8 - interstitial connective tissue

2 - follicular cells with reduced
     volume of the cytoplasm
3 - wrinkled oocyte
4 - zona pellucida

cortex
corpus luteum

cortex
corpus luteum

1 - parenchyma of the corpus luteum
2 - connective tissue capsule

5 - luteocytes
6 - interstitial connective tissue

__________________________________________________________________

UTERUS (proliferative phase)
    Stained with haematoxylin and eosin

1 - tunica mucosa (endometrium)
2 - tunica muscularis (myometrium)
3 - tunica serosa (perimetrium)
4 - functional layer of the endometrium
5 - basal layer of the endometrium
6 - blood vessels
7 - endometrial glands (in tunica propria
     of uterine mucosa)
8 - endometrial stroma (connective tuissue in
     tunica propria of uterine mucosa)
9 - epithelium of the endometrium

UTERUS (proliferative phase)
     Stained with haematoxylin and eosin

1 - tunica mucosa (endometrium)
2 - tunica muscularis (myometrium)
3 - tunica serosa (perimetrium)
4 - functional layer of the endometrium
5 - basal layer of the endometrium
6 - blood vessels
7 - endometrial glands (in tunica propria
     of uterine mucosa)
8 - endometrial stroma (connective tuissue in
     tunica propria of uterine mucosa)
9 - epithelium of the endometrium

__________________________________________________________________

MAMMARY GLAND
(lactating)
     Stained with haematoxylin and eosin

1 - lobules of the gland
2 - end secretory units (alveoli, acini)
3 - intralobular conncective tissue
4 - interlobular excretory duct
5 - interlobular conncective tissue
6 - general excretory duct

MAMMARY GLAND
(lactating)
     Stained with haematoxylin and eosin

1 - lobule of the gland
2 - end secretory units (alveoli, acini)
3 - intralobular conncective tissue
4 - interlobular excretory duct
5 - interlobular conncective tissue
6 - interlobular excretory duct

MAMMARY GLAND
(lactating)
      Stained with haematoxylin and eosin

1 - lobules of the gland
2 - interlobular conncective tissue
3 - end secretory units (alveoli, acini)
4 - intralobular conncective tissue

MAMMARY GLAND
(nonlactating)
     Stained with haematoxylin and eosin

1 - lobules of the gland
2 - precursors of end secretory units (alveoli)
3 - intralobular conncective tissue
4 - interlobular excretory duct
5 - interlobular conncective tissue

MAMMARY GLAND
(nonlactating)
     Stained with haematoxylin and eosin

1 - intralobular excretory duct
2 - precursors of end secretory units (alveoli)
3 - intralobular conncective tissue
4 - interlobular excretory duct
5 - interlobular conncective tissue