Nasal septum
From Wikipedia, the free encyclopedia
| 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 |
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 |
[edit] Composition
The fleshy external end of the nasal septum is sometimes also called columella.
The nasal septum is composed of three structures:
[edit] 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.
[edit] 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. |
[edit] References
[edit] External links
- Nasal+septum at eMedicine Dictionary
- SUNY Figs 33:02-01 - "Diagram of skeleton of medial (septal) nasal wall."
- Diagram at evmsent.org
- Norman/Georgetown lesson9 (nasalseptumbonescarti)
[edit] See also
 |
This musculoskeletal system article is a stub. You can help Wikipedia by expanding it. |
|
|||||||||||||||||||||||||||||||||||||||
