papula
Webster's Unabridged Dictionary:
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Pap·u·la
n. pl. Papulæ .
[L.]
1. (Med.) A pimple; a small, usually conical, elevation of the cuticle, produced by congestion, accumulated secretion, or hypertrophy of tissue; a papule. Quain.
2. (Zoöl.) One of the numerous small hollow processes of the integument between the plates of starfishes.
