- One of four pea-sized glands found on the surface of the thyroid. The parathyroid hormone made by these glands increases the calcium level in the blood.
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parathyroid gland — n any of usu. four small endocrine glands that are adjacent to or embedded in the thyroid gland, are composed of irregularly arranged secretory epithelial cells lying in a stroma rich in capillaries, and produce parathyroid hormone … Medical dictionary
Parathyroid gland — Infobox Anatomy Name = Parathyroid gland Latin = glandula parathyroidea inferior, glandula parathyroidea superior, Phillip.Hungerford. Daniel.Mart GraySubject = 273 GrayPage = 1271 Caption = Endocrine system. (Parathyroid gland not pictured, but… … Wikipedia
parathyroid gland — Anat. any of several small oval glands usually lying near or embedded in the thyroid gland. [1900 05] * * * Endocrine gland, two to eight of which are embedded in each side of the thyroid gland. It secretes parathyroid hormone, which regulates… … Universalium
parathyroid gland — noun any one of four endocrine glands situated above or within the thyroid gland • Syn: ↑parathyroid • Hypernyms: ↑endocrine gland, ↑endocrine, ↑ductless gland * * * noun : any of several usually four small endocrine glands adjacent to or… … Useful english dictionary
parathyroid gland — parathy′roid gland n. anat. phl any of several small paired glands in vertebrates, usu. lying near or embedded in the thyroid gland, that secrete parathyroid hormone • Etymology: 1900–05 … From formal English to slang
parathyroid gland — noun Etymology: International Scientific Vocabulary Date: 1895 any of usually four small endocrine glands that are adjacent to or embedded in the thyroid gland and produce parathyroid hormone … New Collegiate Dictionary
parathyroid gland — noun Any one of four endocrine glands situated in the neck, usually within a thyroid gland, which produce parathyroid hormone … Wiktionary
parathyroid gland — absent in fishes, function being replaced by corpuscles of Stannius, q.v … Dictionary of ichthyology
Parathyroid hormone — (PTH), or parathormone, is secreted by the parathyroid glands as a polypeptide containing 84 amino acids. It acts to increase the concentration of calcium (Ca2+) in the blood, whereas calcitonin (a hormone produced by the parafollicular cells (C… … Wikipedia
Parathyroid — Gland that regulates calcium, located behind the thyroid gland in the neck. The parathyroid secretes a hormone called parathormone (or parathyrin) that is critical to calcium and phosphorus metabolism. Although the number of parathyroid glands… … Medical dictionary