In the GI tract, there is a single sphincter that regulates the flow of the luminal contents from one organ to the next.

Question

Quizplus · Accepted Answer

There are several sphincters throughout the GI tract that regulate the flow of contents from one organ to the next, including the upper and lower esophageal sphincters, the pyloric sphincter, the ileocecal sphincter, and the internal and external anal sphincters.

In the GI Tract, There Is a Single Sphincter That