Hormones secreted by the pituitary gland and its action.

The hormones of the anterior pituitary gland regulate the activity of the thyroid gland. This is what thyroid-stimulating hormone does. The adrenal cortex regulates adrenocorticotropic hormone. The work of the gonads is regulated by gonadotropic hormones. The metabolism of all cells and growth is regulated by growth hormone.
Melanthropin is a hormone in the middle lobe of the pituitary gland. It regulates skin pigmentation and also enhances lipid metabolism.
Vasopressin is a hormone in the posterior pituitary gland. It regulates urine production, blood pressure, which enhances smooth muscle contraction and aids in fetal expulsion.