Internal orifice of the uterus
- Internal orifice of the uterus
Infobox Anatomy
Name = PAGENAME
Latin = orificium internum uteri
GraySubject = 268
GrayPage = 1259
Caption = Posterior half of uterus and upper part of vagina.
Caption2 =
System =
Precursor =
MeshName =
MeshNumber =
DorlandsPre = o_06
DorlandsSuf = 13554423
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.
ee also
* External orifice of the uterus
External links
*
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