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Unformatted text preview: Mandible (near incisors) Skin of chin at mental protuberance Elevates and protrudes lower lip (pouting) 2. Muscles of Mastication and related muscles: innervated by mandibular branch of the trigeminal nerve (CN V), except digastric which is innervated by facial n (CN VII) Muscle Origin Insertion Function Temporalis* temporal lines of parietal coronoid process of mandible elevation and retraction of mandible Masseter* zygomatic process angle of mandible elevation and protraction of mandible Lateral pterygoid* lateral side of lateral pterygoid plate neck of mandible depression and protraction of mandible, side-side Medial pterygoid* medial side of lateral pterygoid plate angle of mandible elevation, protraction of mandible, side-side Digastric, anterior anterior and internal mandible tendon to body of hyoid depress mandible Digastric, posterior mastoid process tendon to body of hyoid depress mandible...
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- Spring '08
- Anatomy, Bones of the head and neck, Medial pterygoid muscle, lateral pterygoid plate, mandible mastoid process, depress mandible depress