lunula

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lunula

 [loo´nu-lah] (L.)
a small, crescentic or moon-shaped area or structure, e.g., the white area at the base of the nail of a finger or toe, or one of the segments of the semilunar valves of the heart.

lu·nu·la

, pl.

lu·nu·lae

(lū'nū-lă, -lē), [TA]
1. The pale arched area at the proximal portion of the nail plate.
2. A small semilunar structure.
[L. dim. of luna, moon]

lunula

(lo͞on′yə-lə)
n. pl. lunu·lae (-lē′)
A small crescent-shaped structure or marking, especially the white area at the base of a fingernail that resembles a half-moon.

lu·nu·la

, pl. lunulae (lūn'yū-lă, -lē) [TA]
1. The pale arched area at the proximal portion of the nail plate.
2. A small semilunar structure.
[L. dim. of luna, moon]