Parathyroid gland: Hormone and functions




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

  1. Parathormone

  • 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.

Parathyroid gland: Hormone and functions