Wiktionary
n. System of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and expels the remaining waste.
WordNet
n. tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination [syn: alimentary canal, alimentary tract, digestive tube, gastrointestinal tract, GI tract]
Usage examples of "digestive tract".
Some of the motor fibers supply muscles in the larynx and the throat, and some reach downward to the muscles of the bronchi, to the heart muscle, and to the muscles of most of the digestive tract.
The article had focused on some unusual infections afflicting abdominal-wound patients at the Willowbrook where the principal pathogen had been Enterococcus faecalis, part of a community of anaerobic bacteria found in the lower digestive tract.
As to the wine and the mysteries of his digestive tract, your guess is as good as mine.
There was no sound except for the eructations of the camel's digestive tract and the distant warbling of a desert owl.
Just as they had a built-in unit in their digestive tract to cause the instant rejection of unwholesome food, their body cells had a built-in ability to produce antibodies immediately if the toxin of a pathogenic organism came into contact with them.
Each time it's the same: my taste buds shrivel up and die, my skin goes beet red, my eyes well up with tears, my head feels like a house on fire, and my digestive tract starts to twist and groan in agony like a boa constrictor that has swallowed a lawn mower.
Already a ribbon of red was forming within each one as blood from the meat siphoned into the parasite's digestive tract.