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'4' constrictions on ureter


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#1 chuinhen

chuinhen

    Baryon

  • Senior Members
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  • LocationSeremban , Malaysia

Posted 29 June 2008 - 04:34 PM

normally we study that there is 3 constrictions in the ureter
that is at:

1) ureteropelvic junction

2) when ureter passes pelvic brim

3) when it opens into the urinary bladder



but i heard from an unknown source that there is a 4th constriction
when it crosses the external iliac artery ...

is it true ??
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