单词 | mammary-gland |
释义 | mammary gland in British Englishnoun any of the milk-producing glands in mammals. In higher mammals each gland consists of a network of tubes and cavities connected to the exterior by a nipple mammary gland in American Englishnoun any of the compound accessory reproductive organs of female mammals that occur in pairs on the chest or ventral surface and contain milk-producing lobes with ducts that empty into an external nipple, becoming functional when young are born and secreting milk for the duration of suckling Word origin [1825–35]This word is first recorded in the period 1825–35. Other words that entered Englishat around the same time include: cross section, individualism, relativity, self-help, spiritualismDefinition of 'mammary gland' |
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