Antidiuretic hormone (ADH) is responsible for regulating the balance of fluid and salt in the body. Other names for ADH include arginine vasopressin (AVP) and vasopressin. The test can look for ...

The posterior pituitary is the smaller of two lobes that make up your pituitary gland. It secretes vasopressin and oxytocin into your bloodstream — hormones that play a role in water balance, ...