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.
Antecedent (grammar) In grammar, an antecedent is an expression (word, phrase, clause, sentence, etc.) that gives its meaning to a pro-form (pronoun, pro-verb, pro-adverb, etc.). A proform takes its meaning from its antecedent, e.g. Ava arrived late because traffic held her up.