gastrointestinal tract

Medical Dictionary

gastrointestinal tract n.
The part of the digestive system consisting of the stomach, small intestine, and large intestine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
gastrointestinal tract   (gās'trō-ĭn-těs'tə-nəl)  Pronunciation Key 
The digestive tract, especially of a human.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
gastrointestinal tract (GI tract) [(gas-troh-in-tes-tuh- nuhl)]

The stomach and intestines; the path that food follows once it leaves the esophagus.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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