Odontode

Odontodes, or dermal teeth, are hard structures found on the external surfaces of animals or near internal openings. They comprise a soft pulp surrounded by dentine and covered by a mineralized substance such as enamel, a structure similar to that of teeth. They generally do not have the same function as teeth, and are not replaced the same way te...
Found on http://en.wikipedia.org/wiki/Odontode

Odontode

a dermal tooth
Found on http://www.translationdirectory.com/glossaries/glossary302.php
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