Animal Tissue - Epithelial
Epithelial Tissue:
Origin: (Ecto, Meso and Endo)derm
Characters:
1. Basement membrane
2. Polarity
3. High regenerative power
4. Avascular but nerves present
Types:
| Simple: one layered | Stratified: multilayered |
|
Squamous:(@ABCDE) Alveoli of lungs, Bowman's Capsule of nephron Cavities: Peri(cardium, osteum), Pleura Descending loop of Henle Endocardium |
Squamous Keratinized : Hair, nail Non keratinized: (@EP COMVAT) Epiglotiis, Pharynx, Conjunctiva, Oesophagus, Mouth, Vagina |
| Cuboidal : Gonad Tubules(Seminiferous duct)Follicles of ovary,Thyroid gland. | Cuboidal: ducts of salivary,sweat glands. |
|
Ciliated columnar: (@O FUN) Oviduct, Fallopian tube, Ureter, Ependymal cells in Neurocoel. Stereociliated: Epididymis, Vasa deferentia |
Columnar: Penile urethra |
|
Pseudostratified: Respiratory structures |
Transitional: Urinary structures( bladder, Renal pelvis, calyces, ureter) |