WordNet
digestive tube
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 tract, gastrointestinal tract, GI tract]
Usage examples of "digestive tube".
Dixon said, 'There's no true stomach, but there is what looks like a continuous digestive tube passing down the axis of the body, to the anus at the tail.
Most animals are formed around such a digestive tube, with sheets of cells circling and contracting and branching out to make the rest of the body's tissues.