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Question

A non-lactating mammary gland cannot produce milk because of lack of

A
lobules
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B
lactiferous sinuses
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C
alveoli
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D
fat cells
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Solution

The correct option is C alveoli
  • After delivery, lactation occurs within the mammary gland; lactation involves the secretion of milk by the luminal cells in the alveoli.
  • Contraction of the myoepithelial cells surrounding the alveoli will cause the milk to be ejected through the ducts and into the nipple for the nursing infant.
  • Most women produce more than enough milk for their baby (or babies).
  • Rarely, a woman has breasts that do not produce enough milk because of insufficient of alveoli. Hence, A non-lactating mammary gland cannot produce milk because of lack of alveoli.
  • So, the correct answer is 'alveoli'.

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