os uteri internum


Also found in: Dictionary, Thesaurus, Encyclopedia.

isth·mus of u·ter·us

[TA]
an elongated constriction at the junction of the body and cervix of the uterus.
Farlex Partner Medical Dictionary © Farlex 2012

os uteri internum

The internal opening of the cervical canal into the uterus.
See also: os
Medical Dictionary, © 2009 Farlex and Partners