Nasal septum
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| Nasal septum | |
|---|---|
 | |
| 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 labial[1] |
| Nerve | anterior ethmoidal nasopalatine[1] |
| MeSH | Nasal+septum |
| Dorlands/Elsevier | s_08/12730490 |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Phone:617-632-7753
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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.
Composition
The fleshy external end of the nasal septum is sometimes also called columella.
The nasal septum is composed of three structures:
Clinical significance
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.
Additional images
 Horizontal section of nasal and orbital cavities. |
 Left orbicularis oculi, seen from behind. |
 Cartilages of the nose, seen from below. |
 Coronal section of nasal cavities. |
 Front of nasal part of pharynx, as seen with the laryngoscope. |
 MRI image showing nasal septum. |
References
External links
- Nasal+septum at eMedicine Dictionary
- SUNY Figs 33:02-01 - "Diagram of skeleton of medial (septal) nasal wall."
- Diagram at evmsent.org
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de:Nasenscheidewandhu:Orrsövény
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
