Hiatus for greater petrosal nerve
Hole in the temporal bone
Hiatus for greater petrosal nerve | |
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Coronal section of right temporal bone. (Bristle in hiatus of facial canal labeled at upper right.) | |
The course and connections of the facial nerve in the temporal bone. | |
Details | |
Identifiers | |
Latin | hiatus canalis nervi petrosi majoris, hiatus canalis facialis |
TA98 | A02.1.06.024 |
TA2 | 662 |
FMA | 56445 |
Anatomical terms of bone [edit on Wikidata] |
The hiatus for the greater petrosal nerve is a small hole in the petrous part of the temporal bone which connects the facial canal to the middle cranial fossa. The greater petrosal nerve travels through it to branch from the facial nerve and reach the middle cranial fossa on its way to the pterygopalatine ganglion.
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Neurocranium of the skull
Squamous part |
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Lateral parts | |
Basilar part |
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Other |
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Orbital part |
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Mastoid part | |
Petrous part |
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Tympanic part |
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Great wings | |
Small wings | |
Pterygoid processes | |
Other |
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Surfaces |
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Labyrinth |
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