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The glandular tissue of each breast is divided into approximately how many mammary lobes containing alveoli?

A100
B15–20
C30–50
D5–10
Answer & Solution
Correct answer: B. 15–20
Each breast contains **15–20 mammary lobes**. Each lobe has clusters of alveolar cells that secrete milk into the lumen of alveoli → mammary tubules → mammary duct → ampulla → lactiferous duct → nipple.
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