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Stack #34434

test 1

Medial opening of pterygoid fossa sphenopalatine (sphenopalatine a.)
posterior opening of pterygoid fossa foramen rotundum (CNV2) & pterygoid canal n. - sym & para
inferior opening of pterygoid fossa palatine canals (nn. & aa.)
anterior opening of pterygoid fossa inferior orbital fissure (CNV2)
Kiesselbach's Plexus sphenopalatine, ant. & post. ethmoidal, lateral nasal aa, rich blood supply to nasal mucosa, difficult to stop nosebleeds
frontal & ant. ethmoid sinus drainage semilunar hiatus via nasofrontal duct
middle ethmoid sinus drainage 2nd meatus via ethmoidal bulla
post. ethmoid sinus drainage superior meatus
sphenoid sinus drainage sphenoethmoidal recess
maxillary sinus drainage superiorly through ostium into semilunar hiatus
Created by: JYarger