pyelovenous backflow


backflow

 [bak´flo] reflux or regurgitation (def. 1).pyelovenous backflow drainage from the pelvis" >renal pelvis into the venous system occurring under certain conditions of back pressure.

py·e·lo·ve·nous back·flow

retrograde movement of fluid (urine or injected contrast materials) from renal pelvis into renal venous system. Occurs under conditions of distal obstruction or injection of solutions into renal collecting system.

py·e·lo·ve·nous back·flow

(pī'ĕ-lō-vē'nŭs bak'flō) Retrograde movement of fluid (urine or injected contrast materials) from the renal pelvis into the renal venous system. This occurs under conditions of distal obstruction or injection of solutions into the renal collecting system.