Muscles / Head & neck
Buccinator
- Head & neck
- Head & face
- Deep layer
Anatomy
- Origin
- Alveolar processes of the maxilla and mandible opposite the molars; pterygomandibular raphe
- Insertion
- Modiolus and orbicularis oris
- Nerve
- Facial nerve (CN VII), buccal branches
Actions
- Presses the cheek against the molars during chewing
- Expels air from the oral cavity
Notes
- Not innervated by the buccal nerve of CN V3, which is sensory only.
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