Pterygomaxillary fissure
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| Pterygomaxillary fissure | |
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| Left infratemporal fossa. (Pterygomaxillary fissure labeled at bottom left.) | |
| Latin | fissura pterygomaxillaris |
| Gray's | subject #46 185 |
| Dorlands/Elsevier | f_08/12365675 |
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.
It connects the infratemporal with the pterygopalatine fossa, and transmits the terminal part of the internal maxillary artery.
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| Bones of head and neck: cranial sutures, fontanelles, and related regions |
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| cranial sutures: Coronal - Lambdoid - Occipitomastoid - Sphenofrontal - Sphenoparietal - Sphenosquamosal - Sphenozygomatic -Squamosal - Zygomaticotemporal - Zygomaticofrontal - Frontal/Metopic - Sagittal - Frontoethmoidal - Petrosquamous - Sphenoethmoidal - Sphenopetrosal
fontanelles: Anterior fontanelle - Posterior fontanelle foramina of multiple bones: Inferior orbital fissure - Foramen lacerum - Jugular foramen - Nasolacrimal canal Anterior cranial fossa - Middle cranial fossa - Posterior cranial fossa - Cranial cavity other compound structures: Asterion - Nasion - Pterion - Dacryon - Zygomatic arch - Calvaria - Infratemporal fossa - Stephanion - Pterygomaxillary fissure - Pterygopalatine fossa |
