THORAX ABDOMEN AND PELVIS

MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The innermost layer of the alimentary canal is ____
A
Submucosa
B
Mucosa
C
Muscularis externa
D
None of the above
Explanation: 

Detailed explanation-1: -The mucosa, or mucous membrane layer, is the innermost tunic of the wall. It lines the lumen of the digestive tract. The mucosa consists of epithelium, an underlying loose connective tissue layer called lamina propria, and a thin layer of smooth muscle called the muscularis mucosa.

Detailed explanation-2: -Mucosa is the soft tissue that lines the body’s canals and organs in the digestive, respiratory and reproductive systems. It’s also called the mucous membrane. Mucosa has three layers: epithelium, lamina propria and muscularis mucosae.

Detailed explanation-3: -Mucosa (mucous membrane)-it is the innermost layer lining the lumen of the alimentary canal.

Detailed explanation-4: -The GI tract contains four layers: the innermost layer is the mucosa, underneath this is the submucosa, followed by the muscularis propria and finally, the outermost layer-the adventitia.

There is 1 question to complete.