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posterior lip of external os of uterus


Definition: the portion of the uterine cervix that bounds the ostium posteriorly. It is slightly longer than the anterior lip, intervening between the cervical canal and the posterior fornix of the vagina.

Synonym(s): labium posterius ostii uteriTA

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.