Definition of valvula spiralis
valvulae spirales\-a(ˌ)lēz, -ā(ˌ)lēz, -ä(ˌ)lās\
: 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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Origin and Etymology of valvula spiralis
New Latin, literally, spiral valvula
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