Fig. (5) Specimen HU O1, superior aspect of the masticatory muscles and the mandibular nerve complex, left block (*indicates the inferior belly of the lateral pterygoid muscle). 1, Head of condyle covered by disc. 2, Disc-superior lateral pterygoid junction. 3, Temporalis (deeper aspect). 4, Superior lateral pterygoid (upper view). 5, Maxillary artery (pterygoid section). 6, Buccal nerve. 7, Middle deep temporal nerve. 8, Posterior deep temporal nerve. 9, Nerve to the masseter (main stump). 10, Superior division of mandibular nerve. 11, Trigeminal ganglion. 12, Parotid gland.