Dentin

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dentine The bony material that forms the bulk of a tooth. Dentine is similar in composition to bone but is perforated with many tiny canals for nerve fibres, blood capillaries, and processes of the dentine-forming cells (odontoblasts). Ivory, the material that forms elephant tusks, is made of dentine.

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dentine Bone-like substance, lacking cell bodies and consisting mainly of calcium phosphate in a fibrous matrix.

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dentine (den-teen) n. a hard tissue that forms the bulk of a tooth. The dentine of the crown is covered by enamel and that of the root by cementum.

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dentine A bone-like substance, lacking cell bodies, which consists mainly of calcium phosphate in a fibrous matrix.

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dentine A bone-like substance, lacking cell bodies and consisting mainly of calcium phosphate in a fibrous matrix.