'4' constrictions on ureter
Posted 29 June 2008 - 04:34 PM
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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