Urogenital System – Overview and Function of the Urogenital System

Urogenital System

Coelomic wall epithelium

Introduction: Walls of intra-embryonic coelom.

Read And Learn More: General Histology Questions and Answers

Derivatives of coelomic wall epithelium:

1. Primitive pericardium: Myocardium, parietal pericardium.

2. Pericardio-peritoneal canals: Visceral, parietal, and mediastinal, pleuroperitoneal membrane contributing to the diaphragm.

3. Splanchnopleuric epithelium:

1. Visceral peritoneum of stomach
2. Peritoneum of lesser and greater omenta
3. Falciform ligament
4. Lienorenal, and
5. Gastrosplenic ligaments.

4. Somatopleuric epithelium: Parietal peritoneum.

5. Primitive peritoneal cavity.

6.  Splanchnopleuric epithelium:

1. Visceral peritoneal covering of mid- and hindgut
2. Mesentery
3. Transverse, and
4. Sigmoid mesocolon.

7. Pronephros:

1. Epithelial lining of mesonephric ducts
2. Ductus deferens
3. Epididymis
4. Seminal vesicles
5. Ejaculatory duct
6. Ureters, and
7. Vesical trigone.

8. Mullerian ducts:

1. Epithelial lining of uterine tubes
2. The body and cervix of the uterus
3. Vagina
4. Broad ligament of the uterus.

9. Germinal epithelium of gonad.

10. Germinal epithelium forming cortex of adrenal gland.

11. Somatopleuric epithelium: Parietal peritoneum, tunica vaginalis of testis.

Surface ectoderm epithelium

Introduction: It is the epithelium lining the ectoderm.

1. Derivatives

1. Ectodermal placodes, and

2. Adenohypophysis.

3. Cranial sensory ganglia of nerves

1. V
2. VII
3. IX, and
4. X

4. Olfactory receptor cells, and

5. Olfactory epithelium.

6. Epithelial walls of the

1. Membranous labyrinth
2. Organ of Corti.

7. Lens of the eye.

8. Enamel of the teeth.

9. Secretory and duct lining cells of the

1. Lacrimal
2. Nasal
3. Labial
4. Palatine
5. Oral, and
6. Salivary glands.

10. Epithelia of the

1. Cornea, and
2. Conjunctiva.

11. Epithelial lining of the

1. External acoustic meatus, and
2. External epithelium of the tympanic membrane.

12. Epithelial lining of the

1. Paranasal sinuses, and

2.  Oral cavity

1. Lips
2. Cheeks
3. Gums, and
4. Palate.