gastrointestinal tract

Definition / meaning of gastrointestinal tract

The stomach and intestines. The gastrointestinal tract is part of the digestive system, which also includes the salivary glands, mouth, esophagus, liver, pancreas, gallbladder, and rectum.

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Find More About 'gastrointestinal tract'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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