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The nose
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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
Floor of nasal cavity (ant, pos)
Anterior
: palatine processes of maxillae
Posterior
: Horizontal plates of palatine bones
Lateral wall of nasal cavity
Maxilla, three conchae
Conchae from...?
Anterior and middle
: ethmoid
Inferior conch
: separate bone
Beneath each concha?
A meatus into which paranasal sinuses open
Anterior aspect of nose
Major alar cartilage
Hairy skin of external nose extending into nasal cavity
Vesitbule
Blood supply (3 arteries)
Mainly
sphenopalatine artery
from maxillary artery
Also
labial artery
from facial artery
And
anterior ethmoidal artery
from opthalmic artery
Veins from nose
Opthalmic
Facial
Spehnopalatine
Sphenopalatine veins form?
Pterygoid plexus of veins in infratemporal fossa
Mucous membranes
Olfactory part (smell): roof and adjacent parts of medial and lateral walls
Epithelia in nose
Olfactory
: columnar epithelium
Respiratory epithelium
Vestibule
: stratified squamous epithelium
General sensation
Opthalmic and macillary divisions of trigeminal nerve
Parasympathetic secretomotor supply to mucous glands
Postganglionic fibres from pterygopalatine ganglion
(Preganglionic fires from petrosal nerve (from facial))
Author
mfawcett
ID
129342
Card Set
The nose
Description
Structures in the nose, blood supply and nerve supply
Updated
1/21/2012, 3:31:49 PM
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