Tympanum

Definition

A membrane or structure that functions as a hearing organ in various insects and some other arthropods by detecting sound vibrations.

Etymology

From Latin 'tympanum', meaning 'drum', which in turn originates from Greek 'tympanon', meaning 'drum' or 'kettledrum'.

Example

The grasshopper uses its tympanum, located on its abdomen, to detect the sounds of potential mates and predators.

Synonyms

• Eardrum
• Auditory membrane

Related Terms

• Sound detection
• Hearing
• Vibrations
• Sensory organs

Usage Notes

Tympana can be located on different parts of the body depending on the species; common locations include the legs, abdomen, and thorax.