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mfawcett
on FreezingBlue Flashcards.
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Roof of nasal cavity (ant, mid, pos)
- Anteriorly: nasal bones
- Middle: cribiform plate of ethmoid
- Posterior: inferior surface of body of sphenoid
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Floor of nasal cavity (ant, pos)
- Anterior: palatine processes of maxillae
- Posterior: Horizontal plates of palatine bones
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Lateral wall of nasal cavity
Maxilla, three conchae
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Conchae from...?
- Anterior and middle: ethmoid
- Inferior conch: separate bone
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Beneath each concha?
A meatus into which paranasal sinuses open
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Anterior aspect of nose
Major alar cartilage
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Hairy skin of external nose extending into nasal cavity
Vesitbule
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Blood supply (3 arteries)
- Mainly sphenopalatine artery from maxillary artery
- Also labial artery from facial artery
- And anterior ethmoidal artery from opthalmic artery
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Veins from nose
- Opthalmic
- Facial
- Spehnopalatine
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Sphenopalatine veins form?
Pterygoid plexus of veins in infratemporal fossa
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Mucous membranes
Olfactory part (smell): roof and adjacent parts of medial and lateral walls
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Epithelia in nose
- Olfactory: columnar epithelium
- Respiratory epithelium
- Vestibule: stratified squamous epithelium
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General sensation
Opthalmic and macillary divisions of trigeminal nerve
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Parasympathetic secretomotor supply to mucous glands
- Postganglionic fibres from pterygopalatine ganglion
- (Preganglionic fires from petrosal nerve (from facial))
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