Dissection of the left face viewed from profile. The skin has been undermined in a subcutaneous plane and reflected medially. A superficial-musculo-aponeurotic-system (SMAS) flap has been elevated and is highlighted with blue dots. It is held up with clamps. Deep to the superficial-musculo-aponeurotic-system, the parotid gland has been exposed and the facial nerve branches have been dissected and are highlighted with blue background and black arrows. Age and gender of the cadaver are unknown. ZM, zygomaticus major; OO, orbicularis oculi.