Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Inorganic Phase | Organic Phase |
|---|---|
| HA ≈ 60 | Collagen≈20 |
| H2O ≈ 9 | Noncollagenous proteins≈3 |
| Carbonate ≈ 4 | Traces: polysaccharides, lipids, and cytokines |
| Citrate ≈ 0.9 | Primary bone cell: osteoblasts, osteocytes, and osteoclasts |
| Na+ ≈ 0.7 | |
| Mg2+ ≈ 0.5 | |
| Cl− | |
| Others: K+, F−, Zn2+, Fe2+,Cu2+,Sr2+, and Pb2+ |
