Modiolus (cochlea)
The modiolus is a conical shaped central axis in the cochlea. The modiolus consists of spongy bone and the cochlea turns approximately 2.75 times around the central axis in humans.[1] The cochlear nerve, as well as spiral ganglion is situated inside it. The cochlear nerve conducts impulses from the receptors located within the cochlea.
| Modiolus | |
|---|---|
 Interior of right osseous labyrinth. (Modiolus not labeled, but is represented at the axis of the spiral of the cochlea at the right.) | |
| Details | |
| Identifiers | |
| Latin | Modiolus, columella cochleae |
| TA | A15.3.03.038 |
| FMA | 61278 |
| Anatomical terminology | |
The picture shows the osseous labyrinth. The modiolus is not labeled; it's at the axis of the spiral of the cochlea.
References
This article incorporates text in the public domain from page 1050 of the 20th edition of Gray's Anatomy (1918)
External links
- http://www.univ-brest.fr/S_Commun/Biblio/ANATOMIE/Web_anat/Tete_Cou/Oreille/Modiolus.jpg
- http://www.kumc.edu/instruction/medicine/anatomy/histoweb/eye_ear/ear01.htm
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