Masseter
| One of the Muscles of mastication | |
|---|---|
| Action | elevation of mandible, i.e. closes the jaw |
| Origin | inferior border/medial edge of zygomatic arch |
| Insertion | lateral surface of the mandible and lateral surface of the coronoid process |
| innervation | Mandibular nerve CN V3 |
important landmarks
- parotid duct crosses masseter and pierces the buccinator