parathyroid hormone

American  

noun

Biochemistry, Physiology.

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

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parathyroid hormone British  

noun

1. Also called: parathormone.  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

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How does parathyroid-hormone compare to similar and commonly confused words? Explore the most common comparisons:

• parathyroid hormone vs. calcitonin

Example Sentences

When he arrived in Massachusetts for his first fellowship studying parathyroid hormone, Habener found a ready source of thyroid glands to study from a local Cambridge slaughterhouse that supplied calf meat.

From The Wall Street Journal • Dec. 29, 2025

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

From New York Times • Jul. 27, 2022

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 • Feb. 16, 2020

In addition to prolactin and oxytocin, growth hormone, cortisol, parathyroid hormone, and insulin contribute to lactation, in part by facilitating the transport of maternal amino acids, fatty acids, glucose, and calcium to breast milk.

From Textbooks • Jun. 19, 2013

It sees the fingernail-sized chip connected to an array of tiny, individually sealed wells of a drug product - in this case, a parathyroid hormone, teriparatide, which is used to counter bone density loss.

From BBC • Feb. 16, 2012