<prompt> All of the following are structures associated with pterygopalatine fossa, EXCEPT:Pterygopalatine ganglionMid third of maxillary aeryMaxillary nerveGreater petrosal nerve  <response>: The pterygopalatine fossa is the region between the pterygomaxillary fissure and the nasal cavity. The fossa accommodates branches of the maxillary nerve , the pterygopalatine ganglion, the terminal branches of the maxillary aery, and greater superficial petrosal nerve. 