plicae circulares
plicae cir·cu·la·res
noun pl \-ˌsər-kyə-ˈlar-(ˌ)ēz\Definition of PLICAE CIRCULARES
: the 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 valvulae conniventes








