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| Nasal septum | |
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| Bones and cartilages of septum of nose. Right side. | |
| Latin | septum nasi |
| Gray\'s | subject #223 993 |
| Artery | anterior ethmoidal posterior ethmoidal sphenopalatine greater palatine branch of superior labialNorman/Georgetown lesson9 |
| Nerve | anterior ethmoidal nasopalatine |
| MeSH | Nasal+septum |
| Dorlands/Elsevier | s_08/12730490 |
The nasal septum separates the left and right airways in the nose, dividing the two nostrils.
It is depressed by the Depressor septi nasi muscle.
Contents |
The fleshy external end of the nasal septum is sometimes also called columella.
The nasal septum is composed of three structures:
The nasal septum can depart from the centreline of the nose; this condition is known as a deviated septum. Trauma, excessive nose-picking and cocaine usage can cause septum perforations, or holes developing in the septum.
An operation to the nasal septum is known as a septoplasty.
Gray191.png
Horizontal section of nasal and orbital cavities. |
Gray379.png
Left orbicularis oculi, seen from behind. |
Orrsövény.PNG
Cartilages of the nose, seen from below. |
Gray859.png
Coronal section of nasal cavities. |
Gray1203.png
Front of nasal part of pharynx, as seen with the laryngoscope. |
Maxillary sinus MRI.jpg
MRI image showing nasal septum. |
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| This respiratory system article is a stub. You can help Wikipedia by expanding it. |
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