plural of papilla
n. (botany) a tiny outgrowth on the surface of a petal or leaf
n. a small nipple-shaped protuberance concerned with taste, touch, or smell
n. a small projection of tissue at the base of a hair or tooth or feather
(papilla 的复数) n. 乳头, 小乳头状突起, 丘疹, 小脓疱
[医] 乳头