Parathyroid

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parathyroid

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Parathyroid

  1. 1. Parathyroid
  2. 2.  4 small glands embedded in the posterior surface of each thyroid gland lobe. Surrounded by connective tissues capsules. Cell are spherical.
  3. 3.  Parathyroid hormone (PTH) Secretion is regulated by blood calcium level. Main function PTH – increases when blood calcium is important for: (a)Muscle contraction (b)Blood clotting (c)Nerve impulse transmission

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