Depressor Anguli Oris

Joe Muscolino

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The depressor anguli oris. The orbicularis oris has been ghosted in.

The Depressor Anguli Oris is a muscle of facial expression of the mouth. The muscles of facial expression of the mouth are:

 

ATTACHMENTS:

  • Mandible to the angle/corner of the mouth.

 

ACTIONS:

  • Depresses the angle/corner of the mouth.
  • Draws laterally the angle/corner of the mouth.

 

NOTE: Contraction of the depressor anguli oris contributes to the facial expressions of sadness/melancholy and uncertainty/doubt.