bone defined in 1951 yearbone - bone;
bone - Skeletal substance peculiar to vertebrates. Consists of cells distributed in a matrix consisting largely of collagen fibres together with a complex salt (bone salt) mainly of calcium and phosphate. Bone salt, 60 per cent by weight of bone, is responsible for hardness; collagen for tensile strength. The cells are connected by fine channels which permeate the matrix. Larger channels contain blood-vessels and nerves.
near bone in Knolik
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