Question

What is mucosa layer?

Answer 1

Mucosa is the innermost layer of alimentary canal. It is made by 3 layers.

1) Epithelium

2)Lamina propria of reticular fibrous connective tissue.

3) Muscularis mucosa, which further has division i.e. Circular and longitudinal layer.

→In oesophagus it has Multilayered Epithelium.

→In stomach it has simple columnar glandular
epithelium,forms Gastric gland.

→In duodenum it is made up of simple columnar glandular brush border epithelium,forms blunt villi.

→In jejunam and ileum, Scgbbe forms Long pointed villi. It has paneth cells and payers patches.