|Left infratemporal fossa. (Pterygomaxillary fissure labeled at bottom left.)|
|Gray's||subject #46 185|
The pterygomaxillary fissure is vertical, and descends at right angles from the medial end of the inferior orbital fissure; it is a triangular interval, formed by the divergence of the maxilla from the pterygoid process of the sphenoid.
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