Hormones - Thyroid/Parathyroid Flashcards

1
Q

Thyroxine (T4) and Triiodothyronine (T3)

A
  • Secreting tissue: thyroid follicular cells
  • Target tissue: diffuse (muscle, bones, nervous system)
  • Increases oxygen consumption and body metabolism; increases HR and BP; heightens sympathetic stimulation; promotes RBC production; increases catabolic processes
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2
Q

Calcitonin (CT)

A
  • Secreting tissue: Thyroid parafollicular cells
  • Targets the blood
  • Lowers Ca2+ levels in blood
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3
Q

Parathyroid hormone (PTH)

A
  • Secreting tissue: Parathyroid chief cells
  • Targets the blood
  • Increases Ca2+ levels in blood
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