Anatomy General 04b63e7e All except one is true regarding attachment of mandible A Muscle 1 is retractor of mandible B Muscles 2 and 3 elevate the mandible C Lingual nerve runs deep to muscle 5 D Muscle 3 and 4 help in sideways chewing movements High-Yield Explanation 1 - Temporalis 2 - Masseter. 3 - Lateral pterygoid. 4 - Medial pterygoid. 5 - Mylohyoid. Lateral pterygoid is the depressor of mandible.