aiding the cause or policy or interests of. 1  blessing, 2  help, 3  protagonism, 4  assist, 5  advocacy, 6  approving, 7  adhesion, 8  endorsement, 9  attachment, 10  reassurance, 11  approval, 12  adherence, 13  aid, 14  sponsorship, 15  assistance, 16  indorsement. 17  disapproval.
components, namely the mineral crystals and the organic matrix, can be discerned. The organic matrix of bone consists primarily of a fibrous protein, collagen, and lesser amounts of other noncollagenous proteins (discussed later). In tooth, collagen is also the major organic constituent of dentin and cementum, but there is no collagen in enamel. Collagen is the same protein that gives flexibility to ligaments and ten-
Chemical Composition of Bone. Bone has both organic and inorganic components. Its organic components include the cells (osteogenic cells, osteoblasts, osteocytes, and osteoclasts) and osteoid (osâ²te-oid), the organic part of the matrix. Osteoid, which makes up approximately one-third of the matrix, includes ground substance (composed of proteoglycans and glycoproteins) and collagen fibers, both of which are made and secreted by osteoblasts. These organic substances, particularly collagen, contribute not only to a bone's struâ¦