Opening of uterine cervix into the body of the uterus. [ http://orcid.org/0000-0002-6601-2165 ]
Term information
- Wikipedia:Internal_orifice_of_the_uterus
- SCTID:279886007
- FMA:17747
https://cdn.humanatlas.io/digital-objects/ref-organ/uterus-female/v1.2/assets/3d-vh-f-uterus.glb
The internal orifice of the uterus (or internal orifice of the cervix uteri or internal os) is an interior narrowing of the uterine cavity. It corresponds to a slight constriction known as the isthmus that can be observed on the surface of the uterus about midway between the apex and base[Wikipedia:Internal_orifice_of_the_uterus].