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Bookmark or Share- Orbicularis oris: Origin, insertion, innervation, action | KenhubOrbicularis oris is a complex circular muscle that surrounds the orifice of the mouth and forms the majority of the lips. It belongs to a large group of muscles of facial expression called the buccolabial group. Besides orbicularis oris, this group also contains the levator anguli oris, levator labii superioris alaeque nasi, levator labii ...
- Orbicularis oculi muscle - WikipediaThe orbicularis oculi is a muscle in the face that closes the eyelids. It arises from the nasal part of the frontal bone, from the frontal process of the maxilla in front of the lacrimal groove, and from the anterior surface and borders of a short fibrous band, the medial palpebral ligament.
- Orbicularis oris muscle - WikipediaIn human anatomy, the orbicularis oris muscle is a complex of muscles in the lips that encircles the mouth. It is not a true sphincter, as was once thought, as it is actually composed of four independent quadrants that interlace and give only an appearance of circularity.
- Anatomy, Head and Neck: Eye Orbicularis Oculi MuscleThe orbicularis oculi muscle is a muscle located in the eyelids. It is a sphincter muscle arranged in concentric bands around the upper and lower eyelids. The main function of the orbicularis oculi muscle is to close the eyelids. This occurs when the muscle contracts. It also assists in the drainage of tears from the eyes.
- Orbicularis oculi: Origin, insertion and action | KenhubOrbicularis oculi is a facial muscle that participates in protection of the eyes and ocular reflexes. Learn more about its anatomy at Kenhub!
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