Nasal septum

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Bones and cartilages of septum of nose. Right side.

The nasal septum separates the left and right airways in the nose and divides the two nostrils.

Composition[change | change source]

The fleshy external end of the nasal septum is sometimes also called columella.

The nasal septum is composed of three structures:

Clinical significance[change | change source]

The nasal septum can depart from the centreline of the nose; this condition is known as a deviated septum. Injury, 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[change | change source]

Other websites[change | change source]