Definition of Round window
Round window: A membrane on the cochlea separating the inner ear and middle ear. The tympanum (eardrum) separates the middle ear and outer ear, also known as the ear canal.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=33103
Last Editorial Review: 9/20/2012
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