Joe Muscolino

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The risorius on the right side of the body. The orbicularis oris has been ghosted in.

The Risorius is a muscle of facial expression of the mouth. The muscles of facial expression of the mouth are:



  • Fascia/skin of the cheek to the angle/corner of the mouth.



  • Draws laterally the angle/corner of the mouth.


NOTE: The word risorius is Latin for laughing.