PATHOLOGY

PATHOLOGY MCQ

ALIMENTARY TRACT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The outermost layer of the alimentary canal is
A
serosa
B
mucosa
C
submucosa
D
muscularis externa
Explanation: 

Detailed explanation-1: -Above the diaphragm, the outermost layer of the digestive tract is a connective tissue called adventitia. Below the diaphragm, it is called serosa.

Detailed explanation-2: -Serous membranes have two layers. The parietal layers of the membranes line the walls of the body cavity (pariet-refers to a cavity wall). The visceral layer of the membrane covers the organs (the viscera). Between the parietal and visceral layers is a very thin, fluid-filled serous space, or cavity.

Detailed explanation-3: -Four-layered (mucosa, submucosa, muscularis mucosa, and serosa) organization of the digestive tract.

There is 1 question to complete.