🧠ap psychology review

Eardrum

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

The eardrum, also known as the tympanic membrane, is a thin, flexible membrane that separates the outer ear from the middle ear. It vibrates when sound waves strike it.

"Eardrum" also found in:

Subjects (1)

2,589 studying →