Flashcards in Nasal Cavity: Basics Deck (8)
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1
What are the functions of the nasal cavity?
1) Provide an airway
2) Olfaction
3) Warming and moistening of inspired air
4) Cleansing of inspired air
2
FITB: The nasal cavity extends from (blank) anteriorly and to the (blank) posteriorly
Anterior: Nostrils (Nares)
Posterior: Choanae
3
What are the choanae?
Posterior apertures of the nasal cavity which open into the nasopharynx
4
The external nose consists of...
1) Tip: free end of the nose
2) Root: connects the nose to the forehead
3) Nares (Nostrils)
4) Alae: bound the nares laterally
5
What forms the roof of the nasal cavity?
1) Nasal Bone
2) Frontal Bone
3) Cribiform Plate of the Ethmoid Bone
4) Body of the Sphenoid Bone
6
What forms the floor of the nasal cavity?
1) Palatine process of teh maxillia
2) Horizontal plate of the palintine bone
-These two bones fuse together to form the hard palete
7
What forms the medial wall (nasal septum) of the nasal cavity?
1) Septal Cartilage
2) Perpendicular plate of the ethmoid bone
3) The Vomer
8
