Anatomical illustration of the greater superficial petrosal nerve (GSPN) (black arrowheads). Anatomical illustration of the greater superficial petrosal.

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Presentation transcript:

Anatomical illustration of the greater superficial petrosal nerve (GSPN) (black arrowheads). Anatomical illustration of the greater superficial petrosal nerve (GSPN) (black arrowheads). The GSPN can be followed from the geniculate ganglion of the facial nerve (white arrow) to the sphenopalatine ganglion (black arrow). Connecting branches (white arrowheads) between the maxillary nerve (double white arrowhead) and the sphenopalatine ganglion link the seventh and fifth cranial nerves at this site. Reproduced with permission: André Leblanc, Encephalo-peripheral nervous system, Springer-Verlag, 2001. L J Vanopdenbosch et al. J Neurol Neurosurg Psychiatry 2005;76:1017-1018 ©2005 by BMJ Publishing Group Ltd