Kerckring folds

cir·cu·lar folds of small intestine

[TA]

the numerous folds of the mucous membrane of the small intestine, running transversely for about two thirds of the circumference of the gut.

Synonym(s): plicae circulares intestini tenuis [TA], Kerckring folds, Kerckring valves, plicae circulares, valvulae conniventes

cir·cu·lar folds of small in·tes·tine

(sĭr'kyū-lăr fōldz smawl in-tes'tin) [TA]

The numerous folds of the mucous membrane of the small intestine, running transversely for about two thirds of the circumference of the gut.
Synonym(s): plicae circulares intestini tenuis [TA] , Kerckring folds, Kerckring valves.

Kerckring folds

mucosal folds in the human small intestine which greatly increase the absorptive surface area of the organ.