areola

乳头周围呈圆形的深色色素沉着区域；乳晕。

The circular, darkly pigmented area surrounding a nipple; the areola mammae.

任何与周围环境不同的小圆形区域,例如眼瞳周围的彩色环(虹膜)或丘疹周围的炎症区域。

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.

疏松结缔组织中遍布的小间隙。

Any of the small spaces throughout areolar connective tissue.

某些地衣组织纤维间的小间隙。

Any of the small spaces between fibres of the tissues of certain lichens.

仙人掌茎上生有刺和钩毛的小型斑块。

Small patches, bearing the spines and glochids characteristic of the stems of cacti.