Dictionary

gastrointestinal tract

GASS-troh-in-TESS-tin-uhl trakt

a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the gastrointestinal tract are the mouth, esophagus, stomach, small intestine, large intestine—which includes the colon and rectum—and anus. Also called the GI tract, alimentary canal, or digestive tract.

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