Definition: Pituitary function is a crucial part of the endocrine system that regulates various body functions such as metabolism, growth, and energy production. This gland is located at the base of the brain, just below the thymus. The pituitary produces hormones that control these functions. The primary hormone produced by the pituitary is prolactin, which stimulates the development of breasts in females. Other hormones produced include adrenocorticotropic hormone (ACTH), thyroid-stimulating