Paranasal Sinus Flashcards
1
Q
What are the paranasal sinuses?
A
Frontal
Ethmoid
Maxillary
Sphenoid
2
Q
What sinus lies in frontal bone and between orbits?
A
Frontal Sinus
3
Q
The frontal sinus drains into what?
A
Hiatus Semilunaris in middle meatus of nasal cavity
4
Q
What sinus lies between orbits: posterior, middle and anterior?
A
Ethmoid Sinuses
5
Q
The ethmoid sinuses drain into what?
A
Superior (posterior) Meatus
Middle (middle and anterior) Meatus
6
Q
What sinus lies in the maxilla below each orbit?
A
Maxillary sinus
7
Q
The maxillary sinus drains into what?
A
Hiatus Semilunaris of Middle Meatus
8
Q
What sinus lies in sphenoid bone below pituitary fossa?
A
Sphenoid Sinus
9
Q
The sphenoid sinus drains into what?
A
Spenoethmoidal Recess which lies above superior concha
