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 conduit. 1  1 : a natural or artificial channel through which something (as a fluid) is conveyed a conduit for rainwater. 2  2 archaic : fountain. 3  3 : a pipe, tube, or tile for protecting electric wires or cables.  4 : a means of transmitting or distributing a conduit for illicit payments a conduit of information.