Muscles / Head & neck
Orbicularis oris
- Head & neck
- Head & face
- Superficial layer
Anatomy
- Origin
- Medial maxilla and mandible, deep surface of the skin, modiolus
- Insertion
- Mucous membrane of the lips
- Nerve
- Facial nerve (CN VII), buccal and marginal mandibular branches
Actions
- Closes the lips
- Protrudes the lips (pursing, whistling)
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e