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.
By YourDictionary. A pronoun antecedent is a word that comes before a pronoun to which the pronoun refers. Following are definitions of antecedent as well as a review about the types of pronoun, information about the functions of an antecedent in a sentence, and examples of how to use in a sentence.