The document discusses calcium homeostasis and the organization of calcium concentration in the body. It highlights the hormonal effects of 1,25 dihydroxyvitamin D3, parathormone (PTH), and calcitonin (CT) on calcium regulation. Additionally, it touches on the pathology related to PTH and calcitonin levels.

5. ?
What is Calcium homeostasis

6. How to organize Calcium concentration ?

8. Hormonal effect
1,25 OH Vitamin D3
Parathormone (PTH) Calcitonin (CT)

9. Parathormone (PTH) :

11. Calcitonin (CT) :

13. 2 1,25 OH Vitamin D3

19. PTH

21. Pathology