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Which of the following statements about the **mammary gland** is correct?
AEach gland has 5–10 mammary lobes.
BEach gland has 15–20 mammary lobes; LTH (prolactin) helps develop lactiferous tubules during pregnancy.
CMammary glands secrete progesterone directly into milk.
DMammary glands are derived from endodermal tissue.
Answer & Solution
Correct answer: B. Each gland has 15–20 mammary lobes; LTH (prolactin) helps develop lactiferous tubules during pregnancy.
Each breast contains 15–20 irregularly shaped mammary lobes, each with alveolar glands and a lactiferous duct. Lactotropic hormone (LTH/prolactin) develops lactiferous tubules during pregnancy; oxytocin handles milk ejection. They are modified sweat glands (ectodermal).
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