Modiolus (Noun)
Meaning
The central conical bony pillar of the cochlea.
Classification
Nouns denoting body parts.
Examples
- The modiolus is the central axis around which the cochlear spiral is wound, providing a mechanical advantage for sound processing.
- The modiolus serves as a bony core that supports the delicate structures of the cochlea, including the basilar membrane and the organ of Corti.
- Damage to the modiolus can result in significant hearing loss, as this central pillar plays a critical role in the transmission of sound vibrations.
- The modiolus is a unique anatomical feature of the mammalian cochlea, distinguishing it from the hearing organs of other vertebrates.
- In the human ear, the modiolus is approximately 5 millimeters in height and 2 millimeters in diameter, forming a compact yet vital component of the auditory system.