parathyroid glands

parathyroid glands

noun Anatomy.

  1. any of several small oval glands usually lying near or embedded in the thyroid gland.


  1. any one of the small egg-shaped endocrine glands situated near or embedded within the thyroid gland: they secrete parathyroid hormone


  1. Any of usually four small kidney-shaped glands that lie in pairs near or within the posterior surface of the thyroid gland and secrete a hormone necessary for the metabolism of calcium and phosphorus.

  1. Any of four kidney-shaped glands located behind or within the thyroid gland of many vertebrate animals.♦ The parathyroid glands secrete parathyroid hormone, which regulates the amount of calcium in the blood.

A set of four small glands on the undersurface of the thyroid gland that function in the endocrine system. The parathyroid glands secrete a hormone that regulates the metabolism of calcium and phosphorus.

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