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