Internal orifice of the uterus
||It has been suggested that this article be merged into Cervical canal. (Discuss) Proposed since September 2016.|
|Internal orifice of the uterus|
|Latin||orificium internum uteri|
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.
- Anatomy figure: 43:05-17 at Human Anatomy Online, SUNY Downstate Medical Center
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