the lips orbicularis oris
The muscularis layer of the gastrointestinal (GI) tract is responsible for forming sphincters. These sphincters help regulate the passage of food and fluids through different parts of the GI tract, such as the lower esophageal sphincter, pyloric sphincter, and anal sphincter.
liver
All blood leaving the GI tract first goes to the liver through the hepatic portal vein for processing and detoxification before entering the general circulation.
Circular muscles are called sphincters, there are many different sphincter muscles in the human body.
Liver
The four bodily sphincters are the: 1. lower esophageal sphincter, or cardiac sphincter (esophagus to the stomach)2. Pyloric sphincter (stomach to small intestines)3. Ileocecal sphincter or valve (small intestines to large intestines)4. Anal sphincter (rectum to outside)
The stomach has the thickest walls and the strongest muscle in all the GI tract organs. : )
The GI (Gastrointestinal) tract or the Digestive Tract
The anus
GI tract, GIT, digestive tract, digestion tract, alimentary canal
The function of the projections of the mucosa of the GI tract is secretions and absorption. Digestion is also aided by these projections.
The GI (Gastrointestinal) tract or the Digestive Tract