1. hydronephrosis

noun. accumulation of urine in the kidney because of an obstruction in the ureter.


  • hydro- (English)
  • ὑδρο- (Ancient Greek (to 1453))
  • nephrosis (English)
  • -osis (English)

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Sentences with hydronephrosis

1. Noun, singular or mass
A dark spot in the corresponding kidney area can be seen in patients with kidney hydronephrosis, which is a swelling of the kidneys sometimes caused by kidney stones.