THORAX ABDOMEN AND PELVIS

MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The outermost layer of the alimentary canal is the ____
A
submucosa
B
serosa
C
lumen
D
mucosa
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: -The serosa is a single outer cell layer of tissue made of epithelial cells that envelop the uterus.

Detailed explanation-3: -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.

There is 1 question to complete.