The ileo-caecal valve, where the small intestine joins the large. Labels: a, ileum; b, ascending colon; c, caecum; d, junction of the caecum and colon; e and f, loose folds of the mucous membrane, forming the ileo-caecal valve; g, vermiform appendage.

Ileo-caecal valve

The ileo-caecal valve, where the small intestine joins the large. Labels: a, ileum; b, ascending colon;…