an inflatable bag for dilating the cervical canal of the uterus.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
metreurynter(mē-troo-rĭn′tĕr) [″ + eurynein, to stretch]
An inflatable bag that is inserted in the os uteri and distended to dilate the cervix.
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