a conically-shaped membrane which divides the external ear from the middle ear and whose purpose is to modify the pressure waves of noises into mechanical vibration of the ossicles. The first ossicle is connected to the inner exterior of the tympanic membrane.

TYMPANIC MEMBRANE: "The tympanic membrane is more commonly known as the eardrum."
Cite this page: N., Pam M.S., "TYMPANIC MEMBRANE," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/tympanic-membrane/ (accessed December 5, 2020).