Thyroid, Parathyroid 2

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  1. hypercalcemia
    condition of abnormally high blood calcium
  2. thyroid hormones
    • calcitonin
    • thyroxine (T4)
    • triiodothyronine (T3)
  3. calcitonin
    • regulates Ca levels in the blood in conjunction with parathyroid hormone
    • secreted when Ca levels in the blood ar high in order to maintain homeostasis
  4. calcitonin disorders
    • children: most significant effects when bones growing and changing dramatically in mass, size, and shape
    • adults: weak hypocalcemic agent
  5. thyroxine (T4) and triiodothyronine (T3)
    • increases energy production from all food types
    • increases rate of protein synthesis
  6. T4, T3 hyposecretion
    • infants: cretinism
    • adults: myxedema
  7. T4, T3 hypersecretion
    Grave disease indicated by exophthalmos
  8. osteitis fibrosa cystica
    • inflammatory degenerative condition in which normal bone is replaced by cysts and fibrous tissue
    • usually associate with hyperparathyroidism
  9. hormone from parathyroid
    parathyroid hormone (PTH)
  10. parathyroid hormone
    • bones: increase reabsorption of Ca and phosphate from bone to blood
    • kidneys: increases Ca absorption and phosphate excretion
    • small intestine: increases absorption of Ca and phosphate
  11. PTH hyposecretion
  12. PTH hypersecretion
    osteitis fibrosa cystica
Card Set
Thyroid, Parathyroid 2
Thyroid, Parathyroid
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