Bassett Collection of Stereoscopic Images of Human Anatomy
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- Abdomen See All
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- Overview 7
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- Left Heart 33
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- Lung 39
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Dissection of left ear from posterior aspect
Tympanic cavity and labyrinth, posterosuperior view
Image #62-4
KEYWORDS: Bones cartilage joints, Ear.
Creative Commons
Stanford holds the copyright to the David L. Bassett anatomical images and has assigned Creative Commons license Attribution-Share Alike 4.0 International to all of the images.
For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.
Dissection of left ear from posterior aspect
Tympanic cavity and labyrinth, posterosuperior view
The relationship between the posterior semicircular canal, which was seen in the previous view, and other structures of the inner and middle ear is displayed. The superior semicircular canal is not directly visible but lies in the plane of the ridge of bone (16, upper pointer) which has been left in the dissected area. The tegmen tympani has been cut away to expose the ear ossicles within the tympanic cavity.
- Middle meningeal artery (cut off)
- Geniculate ganglion
- Malleus
- Upper pointer: Incus Lower pointer: Mastoid cells
- Lateral semicircular canal (opened)
- Auricle
- Posterior pyramidal surface
- Upper pointer: Trochlear nerve (IV) Lower pointer: Oculomotor nerve (III)
- Upper pointer: Hypophysis Lower pointer: Internal carotid artery
- Abducens nerve (VI)
- Trigeminal nerve (V)
- Position of cochlea
- Internal acoustic meatus
- Vestibulocochlear nerve (VIII)
- Right pointer: Facial nerve (VII) Left pointer: Vestibulocochlear nerve (VIII) (vestibular part)
- Upper pointer: Bone supporting superior semicircular canal Lower pointer: Posterior semicircular canal (opened)
- Upper pointer: Glossopharyngeal (IX) nerve Lower pointer: Accessory nerve (XI)
- Atlas articular surface (superior)