The pterygopalatine nerves (or sphenopalatine branches), two in number, descend to the pterygopalatine ganglion.1
Although it is closely related to the pterygopalatine ganglion, it is still considered a branch of the maxillary nerve and does not synapse in the ganglion.2
It is found in the pterygopalatine fossa.3
Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion.
This article incorporates text from a public domain edition of Gray's Anatomy.