Nasal Cavity and Pterygopalatine Fossa Flashcards
where are the openings for the posterior ethmoidal sinuses located?
below the superior turbinate/concha in the superior nasal meatus
where is the opening for the sphenoidal sinus located?
above the superior concha in the sphenoid-ethmoidal recess
where is the middle nasal meatus located?
below the middle turbinate or concha
what is found in the middle nasal meatus?
ethmoidal bulla
semilunar hiatus
opening for the maxillary sinus
where is the inferior nasal meatus found and what does it contain?
below the inferior turbinate/concha
opening of the nasolacrimal duct
what branches of the maxillary artery supply the nasal cavity
sphenopalatine
anterior and posterior ethmoidal
greater palatine
what branches of facial artery supply the nasal cavity
superior labial
lateral nasal branches
what is keisselbach’s area?
blood from 5 arteries meet in nasal septum and can bleed profusely
arterial supply of maxillary sinus
superior alveolar a. and greater palatine a.
innervation of maxillary sinus
superior alveolar n.
arterial supply of ethmoid sinus
ethmoidal a. (from ophthalmic)
innervation of ethmoid sinus
nasociliary n. (CN V1)
arterial supply of sphenoidal sinus
posterior ethmoidal a.
innervation of sphenoid sinus
posterior ethmoidal n.
arterial supply of frontal sinus
supraorbital a. and anterior ethmoidal a.
