| 释义 |
mammary glandn.（名词）- Any of the milk-producing glands in female mammals, consisting of lobes containing clusters of alveoli with a system of ducts to convey the milk to an external nipple or teat. These glands typically occur in pairs and begin secreting milk when young are born.乳腺：任一种雌性哺乳动物具有的可以产生奶汁的腺体，由许多含有一串串腺泡的叶状片体组成，叶体还将奶汁输送到外露奶头的导管系统。这种腺通常成对出现，当幼崽生下之后，这些腺体就开始生产奶汁
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