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.
Definition of nidus. plural. nidi. play \ËnÄ«-ËdÄ«\ or. niduses. 1 : a nest or breeding place; especially : a place or substance in an animal or plant where bacteria or other organisms lodge and multiply. 2 : a place where something originates, develops, or is located. a type of contact lens that proved to be a nidus of infection.