Flashcards in Nasal Cavity: Paranasal Sinuses Deck (13):
T/F: The paranasal sinuses are found within the bones of the face.
T/F: Most of the sinuses open into the nasal cavity.
False: ALL paranasal sinuses open into the nasal cavity
The formation of the paranasal sinuses are related to...?
1) Wolff's Law
2) To decrease the weight of the skull
Which sinus opens into the hiatus semilunaris of the middle frontonasal duct?
Which of the paranasal sinuses is the largest?
Which paranasal sinus opens into the hiatus semiluaris within the middle meatus?
This sinus lies on each side, just lateral to the nasal cavity, and inferior to the orbit?
Which sinus opens into teh sphenoethmoidal recess?
This sinues consists of several groups of cells within the ethmoid bone between the orbit and nasal cavity
What are the names of the are pockets that form the ethmoidal sinus?
Ethmoidal cell (sometimes called ethmoidal air cells)
The posterior ethmoidal cells open into what?
The middle ethmoidal cells open into what?
the ethmoidal bulla within the middle meatus