GENERAL HISTOLOGY

SMALL INTESTINE

BODY OF STOMACH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Ringlike contractions that slow the movement of chyme through the small intestine by pushing it back and forth.
A
Segmentation
B
Peristalsis
C
Diarrhea
D
None of the above
Explanation: 

Detailed explanation-1: -The pyloric sphincter controls the flow of chyme from the stomach into the small intestine. We previously learned that the pyloric sphincter controls the flow of chyme as it passes out of the stomach and into the small intestine.

Detailed explanation-2: -Segmentation, which occurs mainly in the small intestine, consists of localized contractions of circular muscle of the GI tract. These contractions isolate small sections of the intestine, moving their contents back and forth while continuously subdividing, breaking up, and mixing the contents.

Detailed explanation-3: -Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract.

Detailed explanation-4: -Haustral Contractions (Definition): Slow, segmenting movements that further mix chyme. About every 30 minutes. Primarily occur in ascending and transverse colons.

There is 1 question to complete.