Mental groove

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]

## See also[edit]

* Snake scales
* Gular scales

## References[edit]

1. ^ "Palaeos Vertebrates: Glossary M". Archived from the original on 2010-04-18. Retrieved 2010-03-15.

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