Flashcards in Nasal Cavity: Basics Deck (8)
What are the functions of the nasal cavity?
1) Provide an airway
3) Warming and moistening of inspired air
4) Cleansing of inspired air
FITB: The nasal cavity extends from (blank) anteriorly and to the (blank) posteriorly
Anterior: Nostrils (Nares)
What are the choanae?
Posterior apertures of the nasal cavity which open into the nasopharynx
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
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
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
What forms the medial wall (nasal septum) of the nasal cavity?
1) Septal Cartilage
2) Perpendicular plate of the ethmoid bone
3) The Vomer