hydronephrosis

2 definitions found

hydronephrosis - Collaborative International Dictionary of English v.0.48 :

  Hydronephrosis \Hy`dro*ne*phro"sis\, n. [NL., Gr. "y`dwr water +
     ? a kidney.] (Med.)
     An accumulation of urine in the pelvis of the kidney,
     occasioned by obstruction in the urinary passages.
     [1913 Webster]

hydronephrosis - WordNet (r) 2.1 (2005) :

  hydronephrosis
      n 1: accumulation of urine in the kidney because of an
           obstruction in the ureter