gastrointestinal tract(redirected from Upper alimentary tract)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to Upper alimentary tract: Gastric system
See digestive tract.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Noun||1.||gastrointestinal tract - tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination|
duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
digestive system, gastrointestinal system, systema alimentarium, systema digestorium - the system that makes food absorbable into the body
stomach, tum, tummy, breadbasket - an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
enteron - the alimentary canal (especially of an embryo or a coelenterate)
small intestine - the longest part of the alimentary canal; where digestion is completed
large intestine - beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as feces
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.