digestive tract

n. (Anatomy) alimentary canal, gastrointestinal tract, digestive system's tubular passage through which food passes wherein digestion occurs and from which wastes are eliminated (extending from the mouth to the anus and includes the pharynx, esophagus, stomach, and intestines)

The gastrointestinal tract (GI tract), also called the digestive tract, or the alimentary canal, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. The major functions of the GI tract are ingestion, digestion, absorption, and excretion.
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Digestive tract n. See alimentary canal. Digestive tract The organs that perform digestion, or changing of food into a form that can be absorbed by [more]Digestive tract - Community and Resources

Noun
1. tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination
(synonym) alimentary canal, alimentary tract, digestive tube, gastrointestinal tract, GI tract
(hypernym) duct, epithelial duct, canal, channel
(hyponym) enteron
(part-holonym) digestive system, gastrointestinal system, systema alimentarium, systema digestorium
(part-meronym) stomach, tummy, tum, breadbasket

[dy-JES-tiv]
The organs through which food and liquids pass when they are swallowed, digested, and eliminated. These organs are the mouth, esophagus, stomach, small and large intestines, and rectum and anus.