In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System.
Antidiuretic hormone (ADH) (vasopressin). Peptide hormone synthesized in hypothalamus and released from posterior pituitary gland; increases water permeability of kidneys' collecting ducts and causes vasoconstriction.ntidiuretic hormone (ADH) (vasopressin). Peptide hormone synthesized in hypothalamus and released from posterior pituitary gland; increases water permeability of kidneys' collecting ducts and causes vasoconstriction.
Antidiuretic hormone (ADH) test, also called the Vasopressin test, is a test for the antidiuretic hormone, which is released from the pituitary gland and acts on the kidneys to increase their reabsorption of water into the blood.