Uterine isthmus
Inferior-posterior part of uterus / From Wikipedia, the free encyclopedia
Not to be confused with Isthmus of uterine tube.
The uterine isthmus is the inferior-posterior part of uterus, on its cervical end — here, the uterine muscle (myometrium) is narrower and thinner. It connects the body and cervix.[1]
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Uterine isthmus | |
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Latin | isthmus uteri |
Anatomical terminology |
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The uterine isthmus can become more compressibile in pregnancy, which is a finding known as Hegar's sign.