These hormones may be stored in inactive forms, then activated on release. A widely occurring intermediary is cAMP , which often serves the function of activating enzymes or metabolic pathways. The Endocrine System and its Control Neuroendocrine control center - integrates information from the body to control physiological functions. Now believe it is the neuroendocrine control center of the hypothalamus that controls the action of the pituitary. The pituitary gland is actually made up of two very different parts.
Oxytocin stimulates contraction of the uterus during childbirth.
ADH increases the permeability of the collecting tubule wall in the kidney, facilitating the resorption of water and reducing the volume of urine produced. ADH secretion can be influenced by drugs, including alcohol. Alcohol reduces ADH secretion, leading to the production of copious volume of urine. Aldosterone water and ion balance. The longer the night, the more melatonin is secreted, the more the activity of the gonads is inhibited.