ANATOMY & PHYSIOLOGY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site eardrum Human eardrum Credit: The Cleveland Clinic The membrane that separates the outer ear from the middle ear. The eardrum vibrates in response to sound waves and transmits these vibrations via the ear ossicles of the middle ear to the cochlea of the inner ear. In amphibians and some reptiles, there is no outer ear and the eardrum lies at, or very close to, the surface of the skin. Related category    • ANATOMY AND PHYSIOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP