[ hahy-per-par-uh-thahy-roi-diz-uh m ]
/ ˌhaɪ pərˌpær əˈθaɪ rɔɪˌdɪz əm /

noun Pathology.

overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.

Origin of hyperparathyroidism

First recorded in 1915–20; hyper- + parathyroid + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for hyperparathyroidism


[ hī′pər-păr′ə-thīroi-dĭz′əm ]


An increase in the secretory activity of the parathyroid glands, causing generalized osteitis fibrosa cystica, elevated serum calcium, decreased serum phosphorus, and increased excretion of both calcium and phosphorus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.