Cochlea (noun)

A spiral-shaped cavity in the inner ear that plays a crucial role in hearing.

Origin:

From latin 'cochlea' meaning 'a snail shell'.

Examples:

1. The cochlea is responsible for converting sound waves into electrical signals that are transmitted to the brain.
2. Damage to the cochlea can cause permanent hearing loss.
3. The cochlea is lined with hair cells that move in response to sound vibrations.
4. The cochlea is shaped like a snail shell, hence its name.
5. The cochlea is part of the vestibular system, which helps maintain balance.