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

This may be because of reduced dietary calcium levels, causing a compensatory increase in parathyroid hormone.

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