1,351
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Changes
→Matrix
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−====Matrix====
−*'''Osteoid'''
−**Type I collagen forms the backbone of the matrix (90%)
−***Molecules in staggered rows
−**Non-collagenous protein forming amorphous ground substance (10%)
−***Mainly glycoproteins and proteoglycans
−*'''Mineral'''
−**Crystalline lattice of calcium phosphate and calcium carbonate
−**Also contains Mg, Mn, Zn, Cu, Na, F
−**Accounts for 65% of bone