What are the 4 parts of the stomach?
What are the 4 parts of the stomach?
What are the parts of the stomach’s anatomy?
- The cardia is the top part of your stomach.
- The fundus is a rounded section next to the cardia.
- The body (corpus) is the largest section of your stomach.
- The antrum lies below the body.
- The pylorus is the bottom part of your stomach.
What is the stomach anatomy?
The stomach is a muscular organ located on the left side of the upper abdomen. The stomach secretes acid and enzymes that digest food. Ridges of muscle tissue called rugae line the stomach. The stomach muscles contract periodically, churning food to enhance digestion.
What are the 7 functions of the stomach?
Gastric pits.
What tissues make up the stomach?
Microscopic analysis of the stomach’s structure reveals that it is made of several distinct layers of tissue: the mucosa, submucosa, muscularis, and serosa layers.
What are the 3 divisions of the stomach?
The main divisions of the stomach are the following:
- Cardia. The cardia is the portion of the stomach surrounding the cardioesophageal junction, or cardiac orifice (the opening of the esophagus into the stomach).
- Fundus. The fundus is the enlarged portion to the left and above the cardiac orifice.
- Body.
- Pyloric antrum.
What are the 4 functions of the stomach?
The four key components of gastric digestive function are its function as a reservoir, acid secretion, enzyme secre- tion and its role in gastrointestinal motility.
What is the end of the stomach called?
The narrower end is called the pyloric canal, which connects to the duodenum. The smooth muscle pyloric sphincter is located at this latter point of connection and controls stomach emptying.
Which acid kills harmful bacteria in the stomach?
The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins. The acidic gastric juice also kills bacteria.