Glossary & References / Keywords List / Definitions:

Term to be defined Definition Synonyms & Keywords
Enamel - "Very hard, densely calcified tissue (more than 90% calcium and magnesium salts), found as an outer layer or cap over dentine (it may also form a complete tooth or scale) on teeth. Of ectodermal origin, it is acellular and cannot react to injury - cannot regenerate if damaged." (B73, B125, B410)