Cecum

Definition

The cecum is a pouch-like structure at the junction of the small and large intestines, serving as the starting point of the large intestine. It plays a role in absorbing fluids and salts that remain after food digestion and is also involved in the fermentation of indigestible carbohydrates.

Related terms

Appendix:

A narrow, tube-shaped pouch attached to the cecum, which has roles in immunity and gut flora population management.

Ileocecal valve: A sphincter muscle located between the ileum (last portion of the small intestine) and the cecum, regulating the flow of material from the small to large intestine.

Colon:

The main part of the large intestine, extending from the cecum to rectum, responsible for water absorption and feces formation