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In: Anatomy and Physiology

Which endocrine organs are responsible for regulating blood calcium levels?

Which endocrine organs are responsible for regulating blood calcium levels?

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Expert Solution

The following endocrine organs balance and work in coordination inorder to regulate calcium levels in blood:

PARATHYROID GLANDS: It realeases a hormone called Parathormone(PTH).It increases blood calcium levels by following ways-

  • By increasing the activity of osteoclasts in bones.This leads to bone demineralization and release of calcium from bones into blood.
  • By increasing reabsorption of calcium from intestines
  • By reabsorption of calcium from kidneys

THYROID GLANDS: They secrete a hormone called calcitonin from parafollicular cells.It works opposite to PTH in following manner-

  • It decreases the osteoclasts activity helps in bone formation.
  • It increases excretion of calcium from urine.

CALCITRIOL: It is the active form of vitamin D,formed in kidneys. It has following effects-

  • It increases absorption of calcium from intestines
  • It causes remineralization of bones by transferring calcium from blood to bones.

Sydney Mullin answered 10 months ago
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