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hydronephrosis

[ hahy-droh-nuh-froh-sis ]

noun

, Pathology.
  1. dilation of the branches and pelvic cavity of the kidney, caused by an accumulation of urine resulting from obstruction of normal outflow.

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Word History and Origins

Origin of hydronephrosis1

First recorded in 1840–50; hydro- 1 + nephrosis

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Example Sentences

Sometimes a kink of the ureter of a movable kidney causes hydronephrosis.

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