Pterygopalatine ganglion

Last revised by Craig Hacking on 31 Jan 2023

The pterygopalatine ganglion (also known as the nasal ganglion, or sphenopalatine ganglion) is one of four parasympathetic ganglia of the head and neck and largest of the peripheral parasympathetic ganglia. It receives parasympathetic fibers from the facial nerve.

Gross anatomy


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Cases and figures

  • Figure 1: pterygopalatine ganglion
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  • Figure 2: connections between CN V and CN VII
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  • Figure 3: pterygopalatine ganglion and nasal nerves
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  • Figure 4: maxillary division of the trigeminal nerve
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  • Figure 5: pterygopalatine ganglion (Gray's illustrations)
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