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.
It is a typical linguistic term and originates from grammar. Often antecedents and their respective pronouns agree in number, which means if an antecedent is singular, the pronoun that replaces it will also be singular. However, sometimes writers might not follow this rule, and we see singular antecedents are replaced with plural pronouns.