Stomach

The stomach is the digestive organ in the abdomen that initially processes swallowed food. Food and water is swallowed down the esophagus into the stomach. It then passed into the intestines and ultimately wastes are excreted from the rectum and anus. Various stomach symptoms include stomach pain, acid reflux, delayed digestion, and other digestive symptoms. Stomach disorders include stomach cancer, hypersecretory disorders, stomach ulcers (peptic ulcers), gastritis, gastroparesis, and many other disorders.

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Stomach. A muscular pouch attached to the bottom of the esophagus where food is stored while it is being prepared for digestion and nutrient extraction in the small intestine.

Source: RDCRN (NCATS/NIH)1

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Stomach: An organ of digestion situated in the left upper quadrant of the abdomen between the termination of the Esophagus and the beginning of the Duodenum.2

Anatomical Information about Stomach

The stomach stores swallowed food and liquid. The muscle action of the lower part of the stomach mixes the food and liquid with digestive juice. Partially digested food and liquid slowly move into the duodenum and are further broken down.

Source: NIDDK (NIH)3

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References

  1. Source: RDCRN (NCATS/NIH): rarediseasesnetwork.org/ cms/ cegir/ Learn-More/ Glossary
  2. Source: MeSH (U.S. National Library of Medicine)
  3. Source: NIDDK (NIH): niddk.nih.gov/ health-information/ digestive-diseases/ zollinger-ellison-syndrome
  4. Source: MedLinePlus (NIH): medlineplus.gov/ stomachdisorders.html
  5. Source: MedLinePlus (NIH): medlineplus.gov/ stomachcancer.html

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