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Bassett Collection of Stereoscopic Images of Human Anatomy

Osteology

Left temporal bone; close-up view of fundus of internal auditory meatus

Image #40-1

KEYWORDS: Bones cartilage joints, Ear.

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Osteology
Left temporal bone; close-up view of fundus of internal auditory meatus
The crista transversa (11) divides the fundus into a superior and inferior fossa. The apex of the petrous pyramid is to the right of the view.
  1. Superior petrous sulcus
  2. Subarcuate fossa
  3. Superior vestibular area
  4. Inferior vestibular area
  5. Foramen singulare (faintly visible)
  6. External opening of vestibular aqueduct
  7. External opening cochlear canal
  8. Arcuate eminence
  9. Superior pyramidal angle
  10. Area facial nerve
  11. Crista transversa
  12. Cochlear area
  13. Margin of internal acoustic meatus
  14. Posterior pyramidal angle
  15. Inferior pyramidal surface