New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for ...

It makes up one-fifth of the length of the digestive tract, which begins at the mouth and ends at the anus. In this article, we explain the colon’s function, its parts, and what each part does.

This paper describes the morphology and histology of the adult digestive system of Cephalodesmius armiger Westwood (Scarabaeini), a beetle that manufactures compost out of plant matter. This species' ...