Question

What are the basic layers of the wall of alimentary canal 1?

Answer 1

Alimentary canal have four layers namely serosa, muscularis, submucosa and mucosa.

Answer 2

Answer:-

Alimentary canal has mainly four layers:-

1. Serosa:- It is the outer most layer of the alimentary canal or of gut which is known as tunica adventitia.

• It is made up of connective tissue with mesothelium which is very thin known as (visceral peritonium).
• Tunica adventitia is formed by areolar connective tissue white fibrous connective tissue.

2. Muscle layer:- It is the inner layer specially the inner layer and longitudinal outer layer of smooth muscle.

• In stomach the thickest layer is found while thinest layer is found in the rectum.

3. Sub mucosa:- It is formed by blood lymph, nerves with the help of loose connective tissue.

4. Mucosa:- It is the inner layer most layer of the gut.

• It contains the secretory cells.
• It also contains absorptive cells.

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