Disorders of the parathyroid glands.
D000236:Adenoma; D003560:Cysts; D006801:Humans; D006961:Hyperparathyroidism / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D006962:Hyperparathyroidism, Secondary / Q000209:etiology; D006996:Hypocalcemia / Q000150:complications; D007011:Hypoparathyroidism / Q000150:complications / Q000188:drug therapy / Q000209:etiology; D009461:Neurologic Manifestations; D010279:Parathyroid Diseases; D010282:Parathyroid Neoplasms; D011877:Radionuclide Imaging; D012877:Skin Manifestations