Definition of "hyperparathyroidism" [hyperparathyroidism]

• An abnormal increase in parathyroid gland activity (noun)

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• "Watson's top suggestions were hyperparathyroidism and rickets."
• "Revenue from the rheumatoid arthritis and psoriasis drug Enbrel increased 3 percent to $939 million and sales of the hyperparathyroidism drug Sensipar grew 10 percent to $188 million."
• "MEN 2A carries an increased risk for primary hyperparathyroidism (PHPT)."