In mammals,prolactin is secreted by:

$GnRH$ is a hypothalamic hormone essential for reproduction. It acts on the ....

$A$ milkman is very upset one morning as his cow refuses to give any milk. The milkman's wife gets the calf from the shed. On feeding by the calf,the cow gave sufficient milk. Describe the role of the endocrine gland and the pathway associated with this response.

Provide definitions/explanations for the following terms:
$(1)$ Hormone
$(2)$ Endocrine glands
$(3)$ Exocrine glands
$(4)$ Acromegaly

Which of the following acts as the site for storage and release of neurohormones?

Match the source gland with its respective hormone and function and select the correct option.