The extracellular matrix of bone consists of

Bone extracellular matrix consists of  osteocalcin, glycosaminoglycans, collagen, water and bone mineral.

Explanation:

Bone is one of the important connective tissue and provide sites for the muscle attachment.

The extracellular matrix of bone consists of 30% organic matrix. The organic matrix includes glycoproteins, glycosaminoglycans and proteoglycans. The calcium binding protein of extracellular matrix is osteoclacin. Type I and type V collagen is present in the extracellular matrix. Nearly 25% water is present in the bone extracellular matrix. Hydroxyapatite is the bone mineral present in the extracellular matrix of bone.  

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