Arrange the following parts in human Mammary gland, traversing the route of milk ejection. Choose the correct answer from the options given below:
- D C E A B
- C E B A D
- C E A D B
- A C E D B
Answer
(3) C E A D B
Solution
Milk is secreted by the cells of the mammary alveoli and stored in their cavities (lumens).
The alveoli open into mammary tubules; the tubules of each lobe join to form a mammary duct.
Several mammary ducts join to form a wider mammary ampulla, which is connected to the lactiferous duct through which milk is sucked out.
Route: Mammary alveolus Mammary tubule Mammary duct Ampulla Lactiferous duct, i.e. C E A D B.
Answer: (3)