explain how pituitary gland control the secretion of the other hormones

Pituitary gland is known as master gland as functions of many other endocrine glands are regulated by it. This gland produces several hormones that influence the secretion of other glands like thyroid gland, adrenal gland, mammary glands, gonads etc. Example: TSH controls the secretion of thyroxine by thyroid gland