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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Compare meaning

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

Option c is correct: the parathyroid hormone and calcitonin are the effectors; they alter the function of the kidneys and bones to maintain calcium homeostasis. 

From Textbooks • Jan. 1, 2015

"These implants form a new and novel approach to the way in which parathyroid hormone is administered, and although it was a very small study, the findings are certainly exciting," she said.

From BBC • Feb. 16, 2012