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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.
1. (Anatomy) 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
2. (Zoology) 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
any of the 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 a nipple.
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.
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|Noun||1.||mammary gland - milk-secreting organ of female mammals|
female mammal - animals that nourish their young with milk
dug - an udder or breast or teat
tit, titty, boob, breast, knocker, bosom - either of two soft fleshy milk-secreting glandular organs on the chest of a woman