Definition: A thin, membranous fold of highly variable appearance that partly occludes the ostium of the vagina before its rupture (which may occur for a variety of reasons). It is frequently absent (even in virgins), although remnants are commonly present as hymenal caruncula tags.
[G. hymen, membrane]
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.