肠道
肠管

Intestinal \In*tes"ti*nal\, a. [Cf. F. intestinal.]
Of or pertaining to the intestines of an animal; as, the
intestinal tube; intestinal digestion; intestinal enzymes.

{Intestinal canal}. Same as {Intestine}, n.

{Intestinal worm} (Zo["o]l.), any species of helminth living
in the intestinal canal of any animal. The species are
numerous.