Arrange the components of the mammary gland from proximal to distal: (a) Mammary duct (b) Lactiferous duct (c) Alveoli (d) Mammary ampulla (e) Mammary tubules
(c) → (a) → (d) → (e) → (b)
(b) → (c) → (e) → (d) → (a)
(c) → (e) → (a) → (d) → (b)
(e) → (c) → (d) → (b) → (a)
According to the textbook, the pathway of milk transport is as follows: The cells of alveoli (c) secrete milk, which opens into mammary tubules (e). The tubules of each lobe join to form a mammary duct (a). Several mammary ducts join to form a wider mammary ampulla (d), which is connected to the lactiferous duct (b) through which milk is sucked out . Therefore, the correct sequence is c → e → a → d → b.
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