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Bone: Pterygopalatine fossa
Left maxillary sinus opened from the exterior.
Articulation of left palatine bone with maxilla.
Latin fossa pterygopalatina
Gray's subject #41 166
Dorlands/Elsevier f_14/12376574

The pterygopalatine fossa is a fossa in the skull.

Boundaries

It has the following boundaries:

  • anterior: maxilla (back surface - palatine process of maxilla)
  • posterior: sphenoid bone (pterygoid process)
  • medial: palatine bone (lateral surface)

Passages

The following passages connect the fossa with other parts of the skull:

Direction Passage Connection
Posteriorly foramen rotundum middle cranial fossa
Posteriorly pterygoid canal (Vidian) middle cranial fossa, foramen lacerum
Posteriorly palatovaginal canal (pharyngeal) nasal cavity/nasopharynx
Anteriorly inferior orbital fissure orbit
Medially sphenopalatine foramen nasal cavity
Laterally pterygomaxillary fissure infratemporal fossa
Inferiorly greater palatine canal (pterygopalatine) oral cavity, lesser palatine canals

Contents

The pterygopalatine fossa contains

See also

  • Pterygopalatine canal

Additional images

External links

Template:Sutures


no:fossa pterygopalatina

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