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why does the greater petrosal nerve enter the pterygoid canal?

Xalatan
in Anatomy, Physiology and Neuroscience

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Why not just use foremen rotundum to access pterygopalatine ganglion?

Edited by Xalatan

  • 2 weeks later...

My best guess would be that it's already occupied by the maxillary nerve (V2 < N. V, trigeminal nerve), since the round foramen itself isn't very large, I think. Exceptional is the jugular foramen, which holds passage for IX, X and XI, but that one's not very small so that doesn't form a genuine problem.

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