General histology, cytology and embryology

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№17. Plasma cell ´ 10000.

1- Nucleus;

2- Rough endoplasmic reticulum;

3- Mitochondrion;

4- Goldgi apparatus;

5- Plasmolemma.

General histology, cytology and embryology

№ 18. Articular cartilage ´ 3750.

1- Nucleus;

2 – Cytoplasm with rough endoplasmic reticulum;

3 – Extracellular matrix of the cartilage;

4 – Collagen fibers.

General histology, cytology and embryology

№1 9 . Osteocyte . ´ 7000.

1- Nucleus;

2- Cytoplasm;

3- Canaliculus;

4- Lacuna;

5- Calcified matrix.

№21. Unmyelinated nerve fiber . А . ´ 15000; В . ´ 36000.

1- Axon;

2- Schwann cell cytoplasm;

3- Schwann cell nucleus;

3- Plasmolemma;

5- Mesaxon;

6- Basement membrane.

General histology, cytology and embryology

№ 22 . Myelinated nerve fiber.

А . Cross section. ´ 20000; В. Longitudinal section ´ 46000.

1- Axon; 2- Axolemma; 3- Myelin sheath;

4- Schwann cell cytoplasm; 5- Schwann cell nucleus; 6- Neurolemma;

7- Basement membrane; 8- Node of Ranvier ; 9- Schmidt- Lanterman incisures.

Special histology

№1. Continuous capillary ´ 12000.

1- Endothelial cells;

2- Basement membrane;

3- Pericyte;

4- Nucleus;

5- Intercellular junctions.

Special histology

№ 2. Fenestrated capillary ´ 10000.

1- Nucleus of the endothelial cell;

2- Fenestrae;

3- Basement membrane;

4- Golgi apparatus;

Special histology

№ 3. Sinusoidal capillaryof the liver ´ 15200.

1- Nucleus of the endothelial cell;

2- Microvilli of the hepatocytes;

3- Space of Disse;

4- Intercellular junction

5- Mitochondrion

6- Erythrocytes in the capillary lumen

Special histology

№ 4. Myocardium. Intercalated disc. ´ 31000.

1- Fascia adherens;

2- Desmosomes;

3- Gap janctions (nexus);

4- Mitochondrion;

5- Sarcoplasmic reticulum;

6- Т-tubules;

7- Glycogen granules.

Special histology

№ 5 . Follicular cell . Thyroid follicle . ´ 6800.

1-Nuclei of the follicular cells;

2- Microvilli of the follicular cells;

3- Golgi apparatus;

4- Lysosome;

5- Secretory vesicle;

6- Rough endoplasmic reticulum;

7- Mitochondria;

8- Basement membrane;

9- Colloid;

10- C- cell;

11- Blood capillary.

Special histology

№6. А – Type II Alveolar cell ´ 17000

В - Blood – air barrier ´ 34000

1- Nucleus;

2- Lamellar bodies;

3- Routh endoplasmic reticulum;

4- Golgi apparatus;

5- Type I alveolar cell;

6- Desmosome;

7- Endothelial cell;

8- Erytrocyte.

Special histology

№7. А - Т erminal bronchiole and alveoli. S.E.M. ´ 1200

В - Surface of the mucosa. ´ 3000.

1- Clara cells;

2- Ciliated cells;

2- Surface of terminal bronchiole;

4- alveoli;

5- Goblet cells;

6- Brush cells.

Special histology

№ 8. Mucosa of the fundus of the stomach. А - S.E.M. ´ 1000.

В - S.E.M. ´ 3000.

С - Parietal cell of the gastric gland. T.E.M. ´ 9600.

1- Gastric pits;

2- Surface mucous cells;

3- Nucleus of the parietal cell;

4- Intracellular canaliculi;

5- Lumen of the gastric gland;

6- Mitochondria;

7- Nuclei of the endocrine cells.

Special histology

№ 9. Epithelium of the villus of the small intestine( Intestinal villi epithelium and Paneth cell).

А – Surface absorptive cells ; В- Goblet cell . ´ 5000; С- Paneth cell ´ 3000.

1- Nucleus of the surface absorbtive cell ; 2- Nucleus of the Goblet cell;

3- Mucigen granules; 4- Microvilli ;5-Lipid droplets;

6- Mitochondria ; 7- Nucleus of the Paneth cell; 8-Secretory granules of

the Paneth cell; 9- Rough endoplasmic reticulum.

Special histology

№10. Epithelium of the villus of the small intestine (Intestinal villi and microvilli) . А – ´ 4540;

В- Microilli of the epithelial cells . ´ 56000.

1- Surface absorptive cells; 2- Brush border; 3- Basement membrane; 4- Blood capillary; 5-Lymphocyte; 6-Intercellular clefts;

7- Glycocalix; 8- Microvilli; 9- Exocytotic vesicles;

1- Endocytic vesicles; 11- Smooth endoplasmic reticulum.

Special histology

№ 11. Hepatocytes and bile canaliculi in the liver .

A- Plates of hepatocytes and sinusoidal capillaries. ´4400; В- Hepatocyte ´6600; С- Bile canaliculus ´54000; D- Bile canaliculi (SEM).

1- Hepatocytes; 2- Sinusoidal capillary; 3- Space of Disse;

4- Nucleus of the hepatocytes; 5- Mitochondria; 6- RER; 7-Lysosomes;

8- Peroxisomes; 9- Glycogen granules; 10- Bile canaliculus with microvilli ; 11- Bile canaliculus.

№ 12. Acinar cell of the pancreas ´ 13000 .

1-Nucleus;

2- Mitochondria;

3- Routh endoplasmic reticulum;

4-Zimogen secretory granules;

5- Lumen of acinar duct;

6- Golgi apparatus.

№ 13. Podocyte and fenestrated capillary of the renal corpuscle.

А – S . E . M . ´ 700. В - Т .E.M. ´ 5600 (inside the circle ´ 12000).

1- Podocyte; 2- Pedicels (secondary processes); 3- Primary processes;

4- Fenestrated capillary; 5- Nucleus of the podocyte;6- Lumen of

the fenestrated capillary; 7- Filtration slits; 8- Fenestrae of the

endothelial cell; 9- Basal lamina.

№14. Epithelial cell of the proximal convoluted tubule of the nephron.

А- ´ 3000; В- ´ 8500; С- ´ 124000.

1-Lumen of the proximal tubule; 2- Nuclei; 3- Mitochondria; 4- Vacuoles; 5- Brush border; 6- Basal lamina; 7- Blood capillary; 8- Microvilli; 9- Pinocytotic vesicles.

Special histology

№15. Epithelial cell of the distal convoluted tubule of the nephron.

´ 12000.

1- Nucleus; 2- Microvilli; 3- Mitochondria; 4- Basal striation; 5- Invaginations of the plasmolemma; 6- Basal lamina.

Special histology

№1 6 . Convoluted seminiferous tubule ´ 3400.

1- Basement membrane;

2- Myoid cell;

3- Sertoli cell;

4- Spermatogonia;

5- Primary spermatocytes;

6- Spermatids;

7- Spermatozoon;

8- Basal compartment;

9- Adluminal compartment;

10 – Acrosomal vesicle.

Special histology

8b bbb

8 a

№18. Fetal portion of the placenta (Placental barrier) ´16000.

1- Basement membrane; 2- Cytotrophoblast layer; 3- Syncytiotrophoblast; 4- Maternal blood space; 5- Microvilli; 6- Desmosomes; 7- Nucleus of the cytotrophoblastic cell; 8- Organells а) S.E.R.;b)- R.E.R.; c) - Polysomes; d)- Golgi complex