dentine A hard mesodermal material in teeth and some scales (cosmoid, ganoid and placoid scales) produced by odontobasts.
齿质
齿或某些鳞片(硬鳞与盾鳞)中层的
硬
质。
dentine A hard mesodermal material in teeth and some scales (cosmoid, ganoid and placoid scales) produced by odontobasts.
齿质齿或某些鳞片(硬鳞与盾鳞)中层的硬质。
enamel A shiny hard material covering the dentine of teeth and the surface of some scales (cosmoid and placoid scales).
珐琅有光泽的硬质包覆在齿及一些鳞片(圆鳞与盾鳞)表面。这是脊椎动所产
硬的质。
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