Posterior semicircular canal
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(Redirected from Posterior canal)
| Posterior semicircular canal | |
|---|---|
 | |
| Exterior of labyrinth. | |
| Interior of right osseous labyrinth. | |
| Latin | canalis semicircularis posterior |
| Gray's | subject #232 1049 |
| MeSH | Semicircular+Canals |
The posterior semicircular canal, vertical like the superior, is directed backward, nearly parallel to the posterior surface of the petrous bone; it is the longest of the three canals, measuring from 18 to 22 mm.; its lower or ampullated end opens into the lower and back part of the vestibule, its upper into the crus commune already mentioned.
[edit] See also
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