Openings Of Conchae Flashcards
What openings does the sphenoethmoidal recess contain?
Olfactory foramina of cribriform plate and opening of sphenoid all air sinus
Where is the sup. Meatus located?
Below sup. Concha
What opening does the sup. Meatus contain?
Post. Ethmoidal air sinus
Where is the middle Meatus?
Below middle concha
What structures are in the middle Meatus?
Ethmoidal bulla, hiatus semilunaris, infundibulum (ant. Part of h.s.)
What is the ethmoidal bulla formed from?
Middle ethmoidal air cells
What 4 sinuses are involved in the middle Meatus?
Middle ethmoidal, ant. Ethmoidal, maxillary, and frontal
What does maxillary sinus open into?
Hiatus semilunaris
What does the frontal sinus drain into?
Middle Meatus via infundibulum
Where is the inf. Meatus?
Below inf. Concha
What opening is contained with the inf. Meatus?
Nasolacrimal duct
Where is the sphenoethmoidal recess?
Above sup. Concha
