Definition of mammary gland in US English:

mammary gland


  • The milk-producing gland of women or other female mammals.

    • ‘Owners may confuse a surgical removal of a mammary gland in the dog with a radical mastectomy in humans, with all of the associated problems.’
    • ‘Lactating mammary glands show spaces that are filled up with the glands themselves.’
    • ‘So now that ball of cells, all of whose genetic material came from the mammary gland, the breast gland of the sheep, was implanted into a uterus, and it gave rise to this reproductive clone, Dolly.’
    • ‘Functionally, the mammary glands produce milk; structurally, they are modified sweat glands.’
    • ‘They are fed milk produced by mammary glands; the milk is secreted onto the skin within the pouch and sucked or lapped up by the babies.’
    • ‘Note that the rest of the mammary gland has many side branches that end in relatively sharp terminal ends.’
    • ‘First, the rat mammary gland shows a high susceptibility to developing neoplasms, and these neoplasms closely mimic human breast disease.’
    • ‘Female mammary glands are there for lactation, to suckle their young.’
    • ‘Gross examination of thyroid and mammary glands revealed no masses or abnormalities.’
    • ‘The mammary glands are specialized cutaneous glands that develop rapidly but incompletely at puberty.’
    • ‘Detecting tumours in the breasts of young women is difficult because of the density of the mammary glands, and this problem is particularly pronounced among pregnant and lactating women.’
    • ‘The mammary glands of pubescent female mice developed structurally in a way that made them more likely to develop breast cancer.’
    • ‘Some mutations involving the hair are accompanied by defects of the skin and its appendages, such as nails, teeth, sebaceous glands, and mammary glands.’
    • ‘There are no apparent mammary glands preserved on the specimen; Luo has concluded that this individual was mostly likely a male.’
    • ‘Dietary restriction inhibits chemically induced carcinogenesis and the incidence of spontaneous tumors in the mammary gland, lung and liver by 50% or more.’
    • ‘A student of biology is bound to learn about the development of such novelties as legs in amphibians, hair and mammary glands in mammals, and the large, complex brain in higher primates.’
    • ‘The mammary gland is an amazing ductal structure that provides a vital function, milk production, unique to mammals.’
    • ‘They were originally adapted for land, but returned to the sea, and their ears, genitalia and mammary glands became internalised, the skin smoother, the nostrils formed a blowhole on the top of the head.’
    • ‘The females have no mammary glands or teats, but they produce milk, which oozes from the fur on their chest and belly.’
    • ‘Branched smooth muscle fibers can be found in the nipple of the mammary glands.’
    chest, bosom, breasts
    View synonyms


mammary gland

/ˈmam(ə)rē ˌɡland/