Modiolus (cochlea)

Last revised by Dr Daniel J Bell on 28 Aug 2021

The modiolus (plural: modioli) is part of the cochlea and is a conical-shaped structure that consists of spongy (porous) bone located in the center of the cochlea and contains the spiral ganglion.

The spiral lamina projects from the modiolus.

Abnormality of the modiolus results in sensorineural hearing loss.

History and etymology

Modiolus is a Latin word that means 'hub of a wheel'.

See also

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