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[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]
Lactiferous ducts are ducts that converge and form a branched system connecting the nipple to the lobules of the mammary gland.When lactogenesis occurs, under the influence of hormones, the milk is moved to the nipple by the action of smooth muscle contractions along the ductal system to the tip of the nipple.
These rudimentary tubules will eventually become the matured lactiferous (milk) ducts, which connect the lobules (milk "containers") of the breast, grape-like clusters of alveoli, to the nipples. [22] Until puberty, the tubule networks of the breast buds remain rudimentary and quiescent, [1] and the male and female breast do not show any ...
"The most common sign of breast cancer is a lump, deep in the breast.It often feels hard, like a lemon seed, and usually immovable. It can be any shape or size," said the site. You might also see ...
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 ...
The female adult breast contains 14–18 irregular lactiferous lobes that converge at the nipple. The 2.0–4.5 mm milk ducts are immediately surrounded with dense connective tissue that support the glands. Milk exits the breast through the nipple, which is surrounded by a pigmented area of skin called the areola.
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 ...
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.