Final answer:
The mammary glands are specialized glands in the skin of females that secrete milk to nourish young. They are modified sweat glands consisting of lactiferous ducts and alveoli, and prolactin regulates their milk production. option d si answer
Step-by-step explanation:
The specialized glands in the skin of females that secrete milk for the nourishment of the young are known as mammary glands.
These glands are modified sweat glands that produce milk during lactation to feed newborns. The mammary glands consist of lactiferous ducts, lactiferous sinuses, and milk-secreting clusters of cells known as alveoli, which are essential for the production and transportation of breast milk. The pituitary hormone prolactin plays a key role in the establishment and maintenance of breast milk supply. option d si answer