Anatomy

Parathyroid Anatomy

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Parathyroid Anatomy, Parathyroid Gland, Parathyroid

  • Anatomy
  1. Images
    1. entParathyroidGrayBB1177.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  2. Four Parathyroid Glands in neck
  3. One gland positioned behind each of Thyroid poles
  • Physiology
  1. Parathyroid Gland regulates extracellular calcium
    1. Parathyroid synthesizes Parathyroid Hormone (PTH)
  2. Parathyroid increases PTH release when calcium falls
    1. See Parathyroid Hormone for PTH physiology
    2. PTH rises when calcium falls, and increases calcium
    3. PTH falls when calcium rises, and decreases calcium
  • Pathophysiology