| parathyroid gland n. Any of usually four small kidney-shaped glands that lie in pairs near or within the posterior surface of the thyroid gland and secrete parathyroid hormone. |
parathyroid gland (p r  -th  roid) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | parathyroid gland - any one of four endocrine glands situated above or within the thyroid gland ductless gland, endocrine gland, endocrine - any of the glands of the endocrine system that secrete hormones directly into the bloodstream |
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