Definitions for "Parathyroid Hormone"
A hormone of the parathyroid gland that regulates the metabolism of calcium and phosphorous in the body.
protein hormone secreted from the parathyroid gland in response to low concentrations of calcium in blood.
A hormone secreted by the parathyroid glands when plasma calcium levels fall below the normal range; causes increased osteoclast activity, increased intestinal calcium uptake, and decreased calcium ion loss at the kidneys.