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D. large intestine
E. small intestine
The mucous membrane-lined tube of the digestive system through which food passes, in which digestion takes place, and from which wastes are eliminated. It extends from the mouth to the anus and includes the pharynx, esophagus, stomach, and intestines.
The system of organs of the body that breaks down and absorbs food as nourishment. In higher vertebrates, it consists of the esophagus, stomach, and small and large intestines, together with the glands, such as the salivary glands, liver, and pancreas, that produce substances necessary for digestion. Also called alimentary canal, gastrointestinal tract.
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|Noun||1.||digestive 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