Surgery Not true regarding pterygopalatine fossa: A Inferomedial to the foramen rotundum lies the Vidian (Pterygoid) canal, which connects the foramen lacerum to the pterygopalatine fossa. B Medially, the pterygopalatine fossa communicates through the pterygomaxillary fissure with the infratemporal fossa C It communicates with the middle cranial cavity through the foramen rotundum and pterygoid canal. D It contains the sphenopalatine ganglion and the third segment of the maxillary aery. π‘ Explanation Not true regarding pterygopalatine fossa: β Correct Answer: B. Medially, the pterygopalatine fossa communicates through the pterygomaxillary fissure with the infratemporal fossa