| entocone |
in mammalian upper molars. The nomenclature for small cusps in the mesiolingual (toward the tongue and anterior) region of upper molars is difficult. If the cusp is on the main body of the tooth, it is a protoconule. If it is a stylar cusp (derived from the cingulum) it is a protostyle. If it takes the form of a ridge, it is an entocone. The figure shows an upper right molar with both an entocone and a protoconule. ...
출처: www.palaeos.com/Vertebrates/Lists/Glossary/Glossar...
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