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
2
Q
Calcitonin (CT)
A
- Secreting tissue: Thyroid parafollicular cells
- Targets the blood
- Lowers Ca2+ levels in blood
3
Q
Parathyroid hormone (PTH)
A
- Secreting tissue: Parathyroid chief cells
- Targets the blood
- Increases Ca2+ levels in blood