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Question
In which of the following order milk secreted from the mammary glands reaches nipples.
In which of the following order milk secreted from the mammary glands reaches nipples.
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Solution
The correct option is A Mammary tubules → mammary ducts → mammary ampulla → lactiferous duct
Mammary glands are the characteristic feature of all mammals.
The mammary gland consists of glandular tissue and fat.
The glandular tissue is divided into 15-20 mammary lobes.
The mammary lobes contain clusters of cells called alveoli. The cells of alveoli secrete milk.
The alveoli open into fine tubes called mammary tubules.
The mammary tubules of each mammary lobe join to form a mammary duct.
Several mammary ducts join to form a mammary ampulla which leads into a lactiferous duct.
The lactiferous ducts open at the tip of the nipple through which milk is released.
Hence the correct order through which milk reaches nipples is:
alveoli → mammary tubules → mammary ducts → mammary ampulla → lactiferous duct.
Mammary glands are the characteristic feature of all mammals.
The mammary gland consists of glandular tissue and fat.
The glandular tissue is divided into 15-20 mammary lobes.
The mammary lobes contain clusters of cells called alveoli. The cells of alveoli secrete milk.
The alveoli open into fine tubes called mammary tubules.
The mammary tubules of each mammary lobe join to form a mammary duct.
Several mammary ducts join to form a mammary ampulla which leads into a lactiferous duct.
The lactiferous ducts open at the tip of the nipple through which milk is released.
Hence the correct order through which milk reaches nipples is:
alveoli → mammary tubules → mammary ducts → mammary ampulla → lactiferous duct.
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