Mental groove From Wikipedia, the free encyclopedia Longitudinal Groove Mental groove indicated with its relationships to other scales Most snakes have a longitudinal groove on the underside of the head between large, paired chin shields and smaller gular scales. This is referred to as Mental groove.[1] Snake scales Gular scales References ↑ "Palaeos Vertebrates: Glossary M". Archived from the original on 2010-04-18. Retrieved 2010-03-15. This snake article is a stub. You can help Wikipedia by expanding it.vte This vertebrate anatomy–related article is a stub. You can help Wikipedia by expanding it.vte Related Articles
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