Fig. (3) Pan troglodytes(specimen HUC102), lateral view, left side, superficial dissection with osteotomy planes (1, facial muscles reflected; 2, masseter; 3, parotid gland; 4, medial pterygoid [detached]; 5, temporalis [superior portion cut]; 6, external auditory meatus [external ear removed]; 7, rostral cut of the zygomatic arch; 8, posterior cut of the zygomatic arch).