Our Hydronephrosis Main Article provides a comprehensive look at the who, what, when and how of Hydronephrosis
Definition of Hydronephrosis
Hydronephrosis: Distention of the kidney with urine. Hydronephrosis is caused by obstruction of urine outflow (for example, by a stone blocking the ureter).
Last Editorial Review: 6/9/2016
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?