All of the following canals open on the posterior wall of the pterygo palatine fossa EXCEPT
High-Yield Explanation
Pterygopalatine Fossa:
This is a small pyramidal space situated deeply, below the apex of orbit.
Communications:
Anteriorly : With orbit through inferior orbital fissure.
Posteriorly :
With middle cranial fossa through foramen rotundum.
With foramen lacerum through pterygoid canal.
With pharynx through palatinovaginal canal.
Medially : With nose through sphenopalatine foramen.
Laterally : With infratemporal fossa through pterygomaxillary fissure.
Inferiorly : With oral cavity through greater & lesser palatine canals.