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.
The antecedent is the noun that a pronoun is replacing. Every pronoun must have a clear antecedent. The antecedent usually appears before the pronoun in a sentence or in the previous sentence. âGabby always wanted to go to the zoo, and now she had her chance.â In this example, Gabby is the antecedent of she.