Ear Model - 3B - White Base - Model EA 10 - 40 A External Ear 1 Antihelix 2 external acoustic meatus 3 tympanic membrane 4 annulur fibrocartilage of tympanic membrane B Middle Ear 5 tympanic cavity 6 tensor tympani muscle 7 pharyngotympanic tube (Eustacian or auditory tube) 8 malleus a head of malleus b manubrium of malleus c anterior process of malleus 9 incus a short limb of incus b long limb of incus 10 lenticular process of incus 11 stapes a head of stapes b anterior/posterior limb of stapes c base of stapes C Inner Ear 12 vestibule 13 oval window 14 round window 15 lateral semicircular canal a ampulla of the lateral semicircular canal 16 anterior semicircular canal a ampulla of the anterior semicircular canal 17 posterior semicircular canal c ampulla of the posterior semicircular canal 18 cochlea 19 vestibulocochlear nerve = statoacoustic nerve = auditory nerve = acoustic nerve 20 internal carotid artery 21 tensor veli palatine muscle 22 cavity of auricular choncha 23 antitragus 24 tragus 25 external auditory canal 26 lobule of auricle 27 triangular fossa |