dilation of the ostium uteri.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Dilation of the lower segment and cervical canal of the uterus.
[hystero- + G. eurynō, to dilate, fr. eurys, wide]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012