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.
Parathyroid hormone (PTH) is released by the parathyroid glands. The four tiny parathyroid glands are located in the neck, near or attached to the back side of the thyroid gland. PTH controls calcium, phosphorus, and vitamin D levels in the blood.