Medical Dictionary

lunula

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noun lu·nu·la \ ˈlü-nyə-lə \

medical Definition of lunula

plural lunulae \-(ˌ)lē also -ˌlī\
:a crescent-shaped body part: as
a :the whitish mark at the base of a fingernail called also half-moon
b :the crescentic unattached border of a semilunar valve

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