Why pitutary gland is called master gland?

Why is pituitary gland called master endocrine gland?

These questions consist of two statements each,printed as Assertion and Reason.While answering these questions you are required to chose any one of the following four responses. If both Assertion and Reason are true and Reason in correct explanation of Assertion. If both assertion and Reason are true but reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:Pituitary gland is also called master gland. Reason:It secretes a number of trophic hormones which regulate secretion from other endocrine glands.

Name the following : The gland which is called 'Master gland'.

Which gland is called Triple-F gland.

Which endocrine gland is called 4-S gland?

Why is pancreas called a heterocrine gland?

Name three hormones secreted by each of Pituitary gland and Thyroid gland.