mammary gland









mammary gland


mammary gland Word Origin noun

  1. 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.

Origin of mammary gland First recorded in 1825–35 Related Words for mammary gland chest, bosom, nipple, heart, breast, front, bust, udder, mammilla, teat, peritoneum, ribs, thorax British Dictionary definitions for mammary gland mammary gland noun

  1. 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 Medicine mammary gland n.

  1. Any of the milk-producing apocrine glands typically occurring in pairs in female mammals and consisting of lobes containing clusters of alveoli with a system of ducts to convey the milk to an external nipple or teat.

mammary gland in Science mammary gland [măm′ə-rē]

  1. One of the glands in female mammals that produces milk. It is present but undeveloped in the male. In most animals, the gland opens onto the surface by means of a nipple or teat. Mammary glands number from 2 to 20, depending on the species.
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