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Observing the trajectory of the canal from exterior to interior, the canal is initially directed vertically before curving anteromedially to reach its internal opening.

Anatomy

The carotid canal has two openings, namely internal and external openings.

It is divided in three parts, namely, ascending petrous, transverse petrous, and ascending cavernous parts.

Boundaries

The carotid canal opens into the middle cranial fossa, at the petrous part of the temporal bone.

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