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Zygomaticus Major
Region: Head & Neck Muscles · All head & neck muscles
Zygomaticus Major at a glance
| Origin | Zygomatic bone |
|---|---|
| Insertion | Angle (corner) of the mouth |
| Actions | Pulls the corner of the mouth up and out when smiling |
| Nerve supply | Facial nerve (CN VII) |
◆ Good to know
Together with zygomaticus minor it produces the genuine smile, which also involves orbicularis oculi around the eyes.
More Head & Neck Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.