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Stack #34434
test 1
| Question | Answer |
|---|---|
| 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 |