Parathyroid Disease and hyperparathyroidism can be caused by several things... But, most parathyroid problems occur because one parathyroid gland develops into a benign parathyroid tumor. This page describes what causes the parathyroid gland to go bad and grow into a parathyroid tumor (causing hyperparathyroidism).
antecedent noun [C usually pl]. âº something âexisting or âhappening before, esp. as the âcause of an âevent or âsituation: The âbook âdealt with the âhistorical antecedents of the Civil War.
1. an event, circumstance, etc, that happens before another. 2. (Grammar) grammar a word or phrase to which a pronoun refers. In the sentence People who live in glass houses shouldn't throw stones, people is the antecedent of who. 3. (Logic) logic the hypothetical clause, usually introduced by if, in a conditional statement: that which implies the other.