Definitions for osteonectin
A protein that binds to hydroxyapatite to facilitate the mineralisation of collagen in bones.
U.S. National Library of Medicine
Non-collagenous, calcium-binding glycoprotein of developing bone. It links collagen to mineral in the bone matrix. In the synonym SPARC glycoprotein, the acronym stands for Secreted Protein, Acidic and Rich in Cysteine.