valvula spiralis

noun
valvula spi·​ra·​lis | \ -ˌspīˈralə̇s, -rāl-; spə̇ˈräl-\
plural valvulae spirales\ -​a(ˌ)lēz , -​ā(ˌ)lēz , -​ä(ˌ)lās \

Definition of valvula spiralis

: a series of crescentic folds of mucous membrane somewhat spirally arranged on the interior of the gallbladder and continuing into the cystic duct

called also valve of Heister

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History and Etymology for valvula spiralis

New Latin, literally, spiral valvula

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