gastrocolic — of, relating to, or involving the stomach and colon.
intestinal — occurring in or affecting the intestines.
stomach — Anatomy, Zoology. a saclike enlargement of the alimentary canal, as in humans and certain animals, forming an organ for storing, diluting, and digesting food. such an organ or an analogous portion of the alimentary canal when divided into two or more sections or parts. any one of these sections.
ventral — of or relating to the venter or belly; abdominal.