Pterygopalatine fossa

Surgical anatomy of pterygopalatine fossa

Pterygopalatine fossa is a small space between the posterior surface of the Maxilla and the Pterygoid process of the Sphenoid bone. Its an inverted ‘tear-drop’ shaped space between bones on the lateral side of the skull immediately posterior to the maxilla. It is wider superiorly, becomes narrowed inferiorly, and ends…