Chemical Composition of Bone

Question 0

What are the components of INORGANIC bone?

Answer 0

- Hydroxyapatites (mineral salts)
    ~ 65% of bone mass.
    ~ primarily calcium phosphate.
    ~ responsible for bone hardness and it's 
        resistance to compression.

Question 1

What are the 4 components of ORGANIC bone?

Answer 1

1. Osteoblasts (form bone).
2. Osteoclasts (re-absorb or break down bone).
3. Osteocytes (mature bone cells).
4. Osteoid (un-mineralized bone matrix composed of proteoglycans, glycoproteins, and collagen).