What Is The Anatomy Of The Stomach?

What are the 4 parts of the stomach?

The human stomach is subdivided into four regions: the fundus, an expanded area curving up above the cardiac opening (the opening from the stomach into the esophagus); the body, or intermediate region, the central and largest portion; the antrum, the lowermost, somewhat funnel-shaped portion of the stomach; and the

What are the parts of the stomach?

The antrum is the lower part of the stomach. The antrum holds the broken-down food until it is ready to be released into the small intestine. It is sometimes called the pyloric antrum. The pylorus is the part of the stomach that connects to the small intestine.

What is the gross anatomy of stomach?

The stomach is divided into four sections: the cardiac region, the fundus, the body, and the pylorus or atrium. The stomach is lined by a mucous membrane that contains glands (with chief cells) that secrete gastric juices.

What are the 3 layers of the stomach?

Layers of Stomach Wall Layers of the stomach wall, among others, include serosa, muscularis, submucosa, mucosa. The three layers of smooth muscle consist of the outer longitudinal, the middle circular, and the inner oblique muscles.

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What is inside the stomach of a human?

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 four functions of the stomach?

The core function of the human stomach is as an aid to diges- tion. 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 area below the stomach called?

The epigastric area, where epigastric means above the stomach. The hypogastric, or below the stomach, region. The umbilical region, with umbilical referring to the navel.

What organ is next to the stomach?

The stomach is located in the upper-left area of the abdomen below the liver and next to the spleen. The stomach is located in the upper-left area of the abdomen below the liver and next to the spleen.

What organ is behind the stomach?

Pancreas: Your pancreas is located behind your stomach and is attached to both your gall bladder and your small intestines. Among other functions, the pancreas aids in digestion by producing digestive enzymes and secreting them into the duodenum (the first segment of the small intestine).

What shape is your stomach?

The stomach is a roughly crescent- shaped enlargement of the gastrointestinal tract, located between the esophagus and the duodenum.

Why is the stomach curved?

The addition of an inner oblique smooth muscle layer gives the muscularis the ability to vigorously churn and mix food. The convex lateral surface of the stomach is called the greater curvature; the concave medial border is the lesser curvature.

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What is a cardia?

Listen to pronunciation. (KAR-dee-uh) The part of the stomach that is closest to the esophagus. Food and liquids pass through the cardia to enter the stomach from the esophagus.

What acid kills harmful bacteria in the stomach?

Your stomach lining also secretes hydrochloric acid, which creates the ideal conditions for the protein-digesting enzymes to work. The potent hydrochloric acid kills bacteria, protecting your body from harmful microbes which can enter your body in food.

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