Zygomaticus Major

Joe Muscolino

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The zygomaticus major. The zygomaticus minor and orbicularis oris have been ghosted in.

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



  • Zygomatic bone to the angle/corner of the mouth.



  • Elevates the angle/corner of the mouth.



  1. The contraction of the zygomaticus major to elevate the corner of the mouth contributes to the facial expressions of smiling and laughing.
  2. The zygomatic minor also attaches onto the zygomatic bone.