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 (văl′vyo͞ol′) also val·vu·la (-vyə-lə)
n. pl. val·vules also val·vu·lae (-vyə-lē′)
A small valve or valvelike structure.

[From New Latin valvula, from diminutive of Latin valva, leaf of a door; see valve.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.valvula - a small valve
valve - a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it