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11 Cards in this Set
- Front
- Back
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What is the nasal cavity?
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Interior cavity of the external nose + nasal passages w/in head
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Describe the nasal septum [morphology, function]
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1) cartiligenous in anterior/anterioinferior areas 2) bony in posterior/posteroinferior portions 3) bony plate formed by perpendicular plate of the ethmoid bone 4) increases surface area
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Describe the floor the the nasal fossa?
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Horizontal shelf of maxilla anteriorly, palatine bone centrally, soft palate posteriorly
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Describe the root of the nasal fossa
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1) cribiform plate/ethmoid bone
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Describe the lateral wall of the nasal fossa
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Nasal turbinates, have conchae+mucous membrane.
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How are nasal meatuses named?
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For the turbinate above the meatus
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Describe the superior turbinate
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1) smallest 2) projection of ephmoid bone
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Describe the middle turbinate
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Part of ethmoid bone
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Describe the inferior turbinate
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1) Largest 2) part of maxilla
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Where does the nasolacrimal duct drain into?
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The inferior meatus
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Describe the MMs of the nasal cavity
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1) thin epithelial membrane, cilliated, richly vascularize -> heat to surrounding air
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