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Internal orifice of the uterus

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Title: Internal orifice of the uterus  
Author: World Heritage Encyclopedia
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Subject: Uterus, Uterine cavity, Cervix, Cervical incompetence, Placenta praevia
Collection: Mammal Female Reproductive System
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Internal orifice of the uterus

Internal orifice of the uterus
Posterior half of uterus and upper part of vagina.
Details
Latin orificium internum uteri
Dorlands
/Elsevier
o_06/13554423
Anatomical terminology

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.

See also

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

  • Anatomy figure: 43:05-17 at Human Anatomy Online, SUNY Downstate Medical Center


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