parathyroid hormone

noun

, Biochemistry, Physiology.

1. a polypeptide hormone, produced in the parathyroid glands, that helps regulate the blood levels of calcium and phosphate. : PTH

parathyroid hormone

noun

1. the hormone secreted by the parathyroid glands that controls the level of calcium in the blood: a deficiency of the hormone often results in tetany Also calledparathormoneˌpærəˈθɔːməʊn

Example Sentences

Researchers thought that as vitamin D levels fell, parathyroid hormone levels would increase at a detriment to bones.

From New York Times

He cited the baby’s elevated levels of parathyroid hormone, which the brain secretes at a higher level when the body’s calcium requirement is not met, Galaznik said.

From Washington Times

The alternatives, parathyroid hormone and a derivative, build bone but also break it down, limiting the therapeutic effect.

From New York Times

The study in middle-aged men found that people living in locations with higher levels of air pollution had lower concentrations of parathyroid hormone and lower levels of bone mineral density.

From New York Times

In that case, federal prosecutors contend Quest/Nichols sold to various laboratories misbranded tests that were unreliable in measuring parathyroid hormone levels in patients.

From Seattle Times