cosmoid
美
英 
例句
enamel A shiny hard material covering the dentine of teeth and the surface of some scales ( cosmoid and placoid scales).
琺瑯有光澤的堅硬物質包覆在牙齒及一些鱗片(圓鱗與盾鱗)表面。這是脊椎動物所產生最堅硬的物質。
dentine A hard mesodermal material in teeth and some scales (cosmoid, ganoid and placoid scales) produced by odontobasts.
齒質組成牙齒或某些鱗片(硬鱗與盾鱗)中層的堅硬物質。