areola
演变路径（由近及远）
- 英语
- 借自 ←拉丁语 āreola “small vacant space, garden”
词源说明
Borrowed from Latin āreola (“small vacant space, garden”), diminutive of ārea. Doublet of areole.
释义（英文）
名词 Noun
- (anatomy) The circular, darkly pigmented area surrounding a nipple; the areola mammae.
- (by extension, anatomy) Any small circular area that is different from its immediate environment, such as the colored ring around the pupil of the eye (iris) or an inflamed region surrounding a pimple.
- (anatomy) Any of the small spaces throughout areolar connective tissue.
- (botany) Any of the small spaces between fibres of the tissues of certain lichens.
- (botany) Small patches, bearing the spines and glochids characteristic of the stems of cacti.