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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of left ear from superior aspect

Tympanic membrane

Image #61-7

KEYWORDS: Ear.

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Dissection of left ear from superior aspect
Tympanic membrane
  1. Facial nerve (VII)
  2. Capitulum of stapes
  3. Vestibule (opened)
  4. Superior pyramidal angle
  5. Vestibulocochlear nerve (vestibular part)
  6. Vestibulocochlear nerve (cochlear part)
  7. Osseous spiral lamina
  8. Modiolus: Upper pointer indicates scala vestibuli of middle turn; lower pointer indicates scala tympani of apical turn)
  9. Upper pointer: Tendon of tensor tympani muscle Lower pointer: Manubrium of malleus
  10. Major superficial petrosal nerve
  11. Minor superficial petrosal nerve
  12. Internal carotid artery within carotid canal
  13. Outer surface of auditory tube (Eustachian)
  14. Middle meningeal artery and mandibular nerve
  15. Incus
  16. Upper pointer: Incus-malleolar articulation Lower pointer: Malleus
  17. Flaccid part of tympanic membrane
  18. Anterior malleolar fold
  19. Pars tensa tympanic membrane
  20. Upper pointer: Limbus (border) of tympanic membrane Lower pointer: Jugular walls of tympanum
  21. Chorda tympani
  22. Capitulum condyloid process of mandible