Skip to Content
Medical Term:

pterygomaxillary fissure


Definition: the narrow gap between the lateral pterygoid plate and the infratemporal surface of the maxilla through which the infratemporal fossa communicates with the pterygopalatine fossa; gives passage to the third part of the maxillary artery and the posterior superior alveolar arteries, veins and nerves.

Synonym(s): fissura pterygomaxillarisTA, fissura pterygopalatina

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.