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Respiratory-2

Terms

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External Naris
Nostrils; undersurface of external nose
Internal Naris
internally; the 2 openings communicate w/pharynx
Paranasal sinuses
A mucous lined cavity in skull that communicates with nasal cavity
Name 4 paranasal sinuses
Frontal
Maxillary
Ethmoidal
Sphenoidal
Nasolacrimal duct
A canal that transports the lacrimal secretion (tears) from nasolacrimal sac to the nose
The vertical portion of the nasal septum is composed of...
Perpendicular plate of ethmoid, Vomer, Septal cartilage (and covered by a mucous membrane)
Divisions of the nasal cavity
Vestibule
Respiratory (olfactory) area
Nasal conchae (turbinates)
Nasal meatus
Location of vestibule
just inside the nostrils
Nasal conchae
-Superior (part of ethmoid)
-Middle (part of ethmoid)
-Inferior (separate bones)
Nasal Meatus
Series of groovelike passageways that sub divides nasal cavity (superior, middle, and inferior)
Nose function
-Warm and moisten air
-Filter and trap dust,etc.
-Recieve olfactory stimuli
-Modify sound

Deck Info

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