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A mammary alveolus (: alveoli, from Latin , "little cavity") is a small cavity or sac found in the
A mammary alveolus (: alveoli, from Latin , "little cavity") is a small cavity or sac found in the mammary gland
A mammary gland is an exocrine gland that produces milk in humans and other mammals. 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, human ...
. Mammary alveoli are the site of milk production and storage in the mammary gland. Mammary alveoli cluster into groups called mammary lobules, and each breast
The breasts are two prominences located on the upper ventral region of the torso among humans and other primates. Both sexes develop breasts from the same embryology, embryological tissues. The relative size and development of the breasts is ...
may contain 15 to 20 of these lobule
In anatomy, a lobe is a clear anatomical division or extension of an organ (as seen for example in the brain, lung, liver, or kidney) that can be determined without the use of a microscope at the gross anatomy level. This is in contrast to the mu ...
s. The lobules drain milk
Milk is a white liquid food produced by the mammary glands of lactating mammals. It is the primary source of nutrition for young mammals (including breastfeeding, breastfed human infants) before they are able to digestion, digest solid food. ...
through the lactiferous duct
Lactiferous ducts are ducts that converge and form a Morphogenesis#Branching morphogenesis, branched system connecting the nipple to the lobules of the mammary gland. When lactogenesis occurs, under the influence of hormones, the breast milk, mil ...
s out of the nipple
The nipple is a raised region of tissue on the surface of the breast from which, in lactating females, breast milk, milk from the mammary gland leaves the body through the lactiferous ducts to Breastfeeding, nurse an infant. The milk can flow th ...
s.
See also
*Breastfeeding
Breastfeeding, also known as nursing, is the process where breast milk is fed to a child. Infants may suck the milk directly from the breast, or milk may be extracted with a Breast pump, pump and then fed to the infant. The World Health Orga ...
* Lactation
Lactation describes the secretion of milk from the mammary glands and the period of time that a mother lactates to feed her young. The process naturally occurs with all sexually mature female mammals, although it may predate mammals. The process ...
References
Breast anatomy {{anatomy-stub