Sensory system : Auditory and Vestibular systems ( TA A15.3 , TH 3.11.09 , GA 10.1029 ) Outer ear Pinna ( Helix , Antihelix , Tragus , Antitragus , Incisura anterior auris , Earlobe ) · Ear canal · Auricular muscles Eardrum ( Umbo · Pars flaccida ) Middle ear Tympanic