ganoid

1.ganoine A hard calcified tissue resembling enamel but in many layers; found only in ganoid fishes.

一个坚的钙化组织与珐琅相似但是有许多层；只发现在中。

2.dentine A hard mesodermal material in teeth and some scales (cosmoid, ganoid and placoid scales) produced by odontobasts.

齿组成牙齿或某些片(与盾)中层的坚物。