Sphenopalatine ganglion
http://cp.neurology.org/content/4/6/505/F2.large.jpg
Pterygopalatine ganglion, also known as the sphenopalatine ganglion.
http://cp.neurology.org/content/4/6/505/F2.large.jpg
Pterygopalatine ganglion, also known as the sphenopalatine ganglion.