parathyroid glands and parathyroid hormone pth

vector tumor treatment tissue thyroid system surgery sickness secretion science role regulation reduces pth poster parathyroid parathyrin parathormone pain osteoporosis osteoclasts metabolism medicine kidneys iodine intestine inflammation illness human hormone homeostasis healthy health glands gland function excretion endocrinology endocrinologist endocrine education disorders disease diagram carcinoma cancer calcium calcitonin break bone autoimmune anatomy activate