Drainage of sinuses Flashcards
1
Q
semilunar hiatus?
A
anterior ethmoid
maxillary
into middle meatus
2
Q
middle ethmoid (air cells / sinus) drains?
A
ethmoidal bulla (middle meatus)
3
Q
posterior ethmoid drains?
A
superior meatus
4
Q
what drains into inferior meatus?
A
nasolacrimal duct
lacrimal puncta –> lacrimal canalicula –> lacrimal sac –> nasolacrimal duct –> inferior meatus
5
Q
sphenoid sinus drains?
A
sphenoethmoidal recess
superior to superior concha
6
Q
frontal sinus drains?
A
middle meatus via the frontonasal duct