GENERAL HISTOLOGY

LARGE INTESTINE

BODY OF STOMACH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The mucous membrane of the large intestine differs from the mucous membrane of the small intestine:
A
a lot of villi
B
lack of villi
C
fewer villi
D
the presence of crypts
Explanation: 

Detailed explanation-1: -Why does the large intestine not contain villi and microvilli? It is not specialized for absorption. Most nutrient absorption occurs in the small intestine.

Detailed explanation-2: -The wall of the large intestine has the same types of tissue that are found in other parts of the digestive tract but there are some distinguishing characteristics. The mucosa has a large number of goblet cells but does not have any villi.

Detailed explanation-3: -The mucosa of the large intestine does not have folds comparable to the plicae circularis, except in the rectum. Also, the intestinal villi are absent beyond the ileocecal valve.

Detailed explanation-4: -Mucosa. The walls of the small intestine are lined with a dense mucosa with many glands that both secrete and absorb. In the jejunum and the ileum, the mucosa secretes small amounts of digestive enzymes and lubricating mucus while absorbing nutrients from your food.

There is 1 question to complete.