Osteoid
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Osteoid is a protein mixture which is secreted by osteoblasts. When it mineralizes, it becomes bone. Osteoid is primarily composed of type 1 collagen.
When there is insufficient mineral or osteoblast dysfunction, the osteoid does not mineralize properly, and it accumulates. This process is called osteomalacia.
External links
- Dr. Susan Ott's excellent website on osteomalacia (http://courses.washington.edu/bonephys/hypercalU/opmal2.html)