Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
The parathyroid hormone is a hormone produced by the parathyroid glands that helps regulate calcium levels in the blood. It increases calcium levels by stimulating the release of calcium from bones and decreasing its excretion in urine.
Related terms
Calcitonin: A hormone produced by the thyroid gland that works opposite to parathyroid hormone, decreasing blood calcium levels.