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A mammary gland is an exocrine gland in humans and other mammals that produces milk to feed young offspring.Mammals get their name from the Latin word mamma, "breast".The mammary glands are arranged in organs such as the breasts in primates (for example, humans and chimpanzees), the udder in ruminants (for example, cows, goats, sheep, and deer), and the dugs of other animals (for example, dogs ...
Breast milk (sometimes spelled as breastmilk) or mother's milk is milk produced by the mammary glands in the breasts of women. Breast milk is the primary source of nutrition for newborn infants , comprising fats, proteins, carbohydrates, and a varying composition of minerals and vitamins.
Breast size and other characteristics do not predict the fat-to-milk-gland ratio or the potential for the woman to nurse an infant. The size and the shape of the breasts are influenced by normal-life hormonal changes (thelarche, menstruation, pregnancy, menopause) and medical conditions (e.g. virginal breast hypertrophy ). [ 31 ]
[1] [2] Mammary alveoli are the site of milk production and storage in the mammary gland. [1] [2] Mammary alveoli cluster into groups called mammary lobules, and each breast may contain 15 to 20 of these lobules. [1] [2] The lobules drain milk through the lactiferous ducts out of the nipples. [1] [2]
The size of the breast is not related to a mother's breastfeeding capability or the volume of milk she can produce. [ 10 ] : 18–21 The process of milk production, termed lactogenesis , occurs in 3 stages.
In animals with udders, the mammary glands develop on the milk line near the groin. Mammary glands that develop on the chest (such as in primates and elephants) are generally referred to as breasts. [1] Udder care and hygiene in cows is important in milking, aiding uninterrupted and untainted milk production, and preventing mastitis. Products ...
A teat is the projection from the mammary glands of mammals from which milk flows or is ejected for the purpose of feeding young. [1] [2] [3] In many mammals, the teat projects from the udder. The number of teats varies by mammalian species and often corresponds to the average litter size for that animal.
During this stage, the more that milk is removed from the breasts, the more the breast will produce milk. [9] [10] Research also suggests that draining the breasts more fully also increases the rate of milk production. [11] Thus the milk supply is strongly influenced by how often the baby feeds and how well it is able to transfer milk from the ...