Chapter 1 Histology

Question 1

Basement membrane

Answer 1

Basement membrane is present in all epithelial tissues.so it is the charcterisation of epithelium.
But it is absent in urothelium(lining of lumen of urinary bladder) and masal chonchai/turbinal bone.

Question 2

Origin of basement membrane

Answer 2

EPITHELIOMESODERMAL

Question 3

Distribution of simple squamous epithelium

Answer 3

Lining of alveoli
Lining of respiratory bronchiole
Lining of bowman's capsule.
Serosa/mesothelium(lining of coelem)
Endothelium(lining of lumen of blood vessels)
Epicardium(outer layer of heart wall)
Endocardium(inner layer of heart wall)
Lining of pericardium(fibrous capsule in which heart lies)
Lining of thin segment of loop of henle.
Inner surface of cornea.

Question 4

Distribution of cuboidal epithelium

Answer 4

Cuboidal epithelium is distributed into two types
1)non microviliated cuboidal epithelium
It is present in:-
Lining of ascending and descending limb of loop of henle.
Surface epithelium of post natal ovary
Lining of DCT.
Lining of exocrine gland
Lining of excretory duct of glands
2)brush bordered cuboidal epithelium
It is present in:-
In lining of PCT.

Question 5

Tesselated epithelium

Answer 5

It is the epithelium having wavy margin in sqaumous cell.

It is present in serosa/mesothelium.

Question 6

Tesselated epithelium

Answer 6

It is the epithelium having wavy margin in sqaumous cell.

It is present in serosa/mesothelium.

Question 7

Mucus connective tissue

Answer 7

Mucus connective tissue is also known as embroyonic C.T/Wharton’s jelly.