pyelovenous backflow
noun
py·elo·ve·nous back·flow
-ˈvē-nəs-ˈbak-ˌflō 
: drainage of fluid from the renal pelvis of a kidney into the renal venous system under certain conditions (as in retrograde pyelography) in which abnormal amounts of pressure occur in a direction opposite to normal
called also pyelovenous reflux
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“Pyelovenous backflow.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pyelovenous%20backflow. Accessed 23 Nov. 2024.
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