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Orbicularis Oculi
Region: Head & Neck Muscles · All head & neck muscles
Orbicularis Oculi at a glance
| Origin | Medial orbital margin and medial palpebral ligament |
|---|---|
| Insertion | Skin around the orbit and the eyelids (palpebral part) |
| Actions | Closes the eyelids; Blinks and squints |
| Nerve supply | Facial nerve (CN VII) |
◆ Good to know
A facial nerve palsy leaves this muscle weak, so the eye cannot close fully (lagophthalmos) and the cornea is at risk.
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.