atlas anatomy of the nosessu.ac.ir/.../atlas_anatomy_of_the_nose_and_paranasa… · ·...
TRANSCRIPT
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Anatomy of the nose
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ANATOMY OF EXTERNAL NOSEANATOMY OF EXTERNAL NOSE
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ANATOMY OF EXTERNAL NOSEANATOMY OF EXTERNAL NOSE
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ANATOMY OF EXTERNAL NOSEANATOMY OF EXTERNAL NOSE
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ANATOMY OF EXTERNAL NOSEANATOMY OF EXTERNAL NOSE
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THE NASAL VESTIBULETHE NASAL VESTIBULE
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The nasal cavityThe nasal cavity
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The RoofThe Roof
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The FloorThe Floor
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The Medial Wall (Nasal Septum)The Medial Wall (Nasal Septum)
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Lateral Nasal WallLateral Nasal Wall
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Lateral Nasal WallLateral Nasal Wall
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The Olfactory MucosaThe Olfactory Mucosa
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Histology respiratory mucosaHistology respiratory mucosa
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The Respiratory MucosaThe Respiratory Mucosa
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Histology of respiratory epitheliumHistology of respiratory epithelium
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Histology of the turbinatesHistology of the turbinates
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Histology septumHistology septum
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Olfactory mucosaOlfactory mucosa
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Arterial Blood Supply
• External Carotid
– Maxillary
F i l– Facial
• Internal Carotid
– Ophthalmic
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Arterial blood SupplyArterial blood Supply
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Blood Supply Of The Nasal CavityBlood Supply Of The Nasal Cavity
Lateral Wall Nasal Septum
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Kesselbach’s Plexus/Little’s Area
• ‐Anterior Ethmoid (Opth)
• ‐Superior Labial A (F i l)(Facial)
• ‐SphenopalatineSphenopalatine(maxillary)
• ‐Greater Palatine (maxillary)(maxillary)
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Venous Drainage
• Facial vein
Internal jugular
• Angular vein
Ophthalmic
Cavernous sinus
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Olfactory Nerve SupplyOlfactory Nerve Supply
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Sensory Nerve Supply
• Ophthalmic and maxillaryOphthalmic and maxillary
branches of the trigeminalbranches of the trigeminal
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Autonomic Nerve Supply
S h l ti li• Sphenopalatine ganglion
– Sympathetic: SCG
– Parasympathetic: SSN
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ANATOMY OF THE PARANASALANATOMY OF THE PARANASAL SINUSES
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ANATOMY OF THE PARANASAL SINUSES
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The Maxillary SinusThe Maxillary Sinus
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The Maxillary SinusThe Maxillary Sinus
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The Maxillary SinusThe Maxillary Sinus
• Sinus ostium located in the middle meatus
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The Ethmoid SinusesThe Ethmoid Sinuses
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The Ethmoid SinusesThe Ethmoid Sinuses
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The Ethmoid sinuses
• Anterior ethmoids:
drain into the middle
meatusmeatus
• Posterior ethmoids:
drain into superior
meatus
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The Frontal SinusThe Frontal Sinus
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The Frontal SinusThe Frontal Sinus
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The frontal sinusThe frontal sinus
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The Sphenoid SinusThe Sphenoid Sinus
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The Sphenoid SinusThe Sphenoid Sinus
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The Sphenoid SinusThe Sphenoid Sinus
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The Sphenoid SinusThe Sphenoid Sinus