Columella

Columella

Columella (pronounced: /kəˈljuːmɪlə/) is a term used in various fields of medicine. The term originates from the Latin word "columella," which means "little column."

Anatomy

In anatomy, the columella refers to two different structures:

• In the nose, the columella is the external part of the nasal septum that separates the nostrils. It is made up of cartilage and soft tissues.
• In the ear, the columella is a small bony column that transmits sound vibrations from the eardrum to the inner ear.

Botany

In botany, the columella is the central part of the capsule in mosses. It is also the central axis in some other plants.

Zoology

In zoology, the columella is a part of the shell of a snail. It is the central column around which the whorls of the shell spiral.

Related Terms

• Nasal septum
• Eardrum
• Inner ear
• Capsule (botany)
• Shell (zoology)

See Also

• Anatomy
• Botany
• Zoology

External links

• Medical encyclopedia article on Columella
• Wikipedia's article - Columella

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