Parathyroid gland: Hormone and functions
The gland is composed of principal cells (secrete parathormone) and Oxyphilic cells (store parathormone)
Location: embedded on posterior of thyroid gland
Size: small lentil sized, 4 in number
Hormones of Parathyroid gland
- Regulate calcium and phosphate level in body
- Increase level of Ca++ in blood by reabsorption from intestine and kidney, Osteolysis
- Low Ca++ concentration in blood stimulate parathormone synthesis.
- Promote decalcification and demineralization of bone.