Gastrocolic a. : Pertaining to both the stomach and the colon; as, the gastrocolic, or great, omentum.

Example:
I have been diagnosed with 'Gastrocolic Reflex'. Any idea what can be actual cause?

Taxonomy
gastrocolic reflex, reflex, colon, Processes, free encyclopedia, motility, Fluids, recordings, irritable bowel syndrome, gastrocolic response, digestion, small intestine, search, controlling, byproducts, the urge, meal, myoelectric.

Defination from the web:
gastrocolic reflex is uneven in its distribution throughout the colon. ... When pressure within the rectum becomes increased, the gastrocolic reflex acts as a stimulus for defecation. ...