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Medical Term:

anatomical internal os of uterus


Definition: aperture at the narrowing of the uterine cavity demarcating and providing communication between the lumina of the body (uterine cavity) and of the cervix (cervical canal) of the uterus.

Synonym(s): ostium anatomicumTA

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