masticatory muscle

Introduction

These include:

• masseter
• temporalis muscle
• lateral pterygoid muscle
• medial pterygoid muscle

Origin

1st (mandibular) arch

Action

used in chewing

Innervation

• motor root of the trigeminal nerve via mandibular division (all)

More specific terms

• lateral pterygoid muscle
• masseter
• medial pterygoid (internal pterygoid)
• temporalis