Mammary alveolus
Small cavity or sac found in the mammary gland
From Wikipedia, the free encyclopedia
A mammary alveolus (pl.: alveoli, from Latin alveolus, "little cavity") is a small cavity or sac found in the mammary gland.[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]
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