secondary tympanic membrane


Also found in: Dictionary, Thesaurus, Medical.

secondary tympanic membrane

[′sek·ən‚der·ē tim′pan·ik ′mem‚brān]
(anatomy)
The membrane closing the fenestra cochleae.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.