名詞 areola:

1. small space in a tissue or body part such as the area between veins on a leaf or an insect's wing
2. small circular area such as that around the human nipple or an inflamed area around a pimple or insect bite
   同義詞：ring of color

a.re.o.la

n.（名詞）
【復數(shù)】 a.re.o.lae[-lô.] 或 a.re.o.las 也作 ar.e.oles [-ôlz.]
areole
areole
Biology A small space or interstice in a tissue or part, such as the area bounded by small veins in a leaf or the wing of an insect.
【生物學】 小區(qū)，細隙，葉脈網(wǎng)隙：組織或部分的小空間或空隙，如葉子中的細脈或昆蟲的翼周圍的區(qū)域
A small, specialized, cushionlike area on a cactus from which hairs, glochids, spines, branches, or flowers may arise.
果隙，細隙：仙人球上的小的，特殊的，襯墊狀區(qū)域，從該處可長出毛絲、倒鉤、刺、分支或花
Anatomy A small ring of color around a center portion, as about the nipple of the breast or the part of the iris surrounding the pupil of the eye.
【解剖學】 乳暈，瞳仁：圍繞中心部分的一小圈顏色，如乳房的乳頭或環(huán)繞瞳孔的虹膜部分

來源：
Latin 3reola [small open space] [diminutive of] 3rea [open place] * see area
拉丁語 3reola [小的開敞空間] [] 3rea的小后綴 [開敞區(qū)] *參見 area

【引伸】
are.olar 或
are.olate
are.ola.tion
n.（名詞）