plica circularis

noun

plica cir·​cu·​la·​ris

-ˌsərkyəˈla(a)rə̇s

plural plicae circulares

-(ˌ)rēz

: one of numerous permanent crescentic folds of mucous membrane found in the small intestine especially in the lower part of the duodenum and the jejunum

called also valvula connivens

Word History

Etymology

New Latin, circular fold

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