hy·dro·ne·phro·sis
| \ -ni-ˈfrō-səs
\
\
plural hydronephroses\
-ˌsēz
\
\
Medical Definition of hydronephrosis
: cystic distension of the kidney caused by the accumulation of urine in the renal pelvis as a result of obstruction to outflow and accompanied by atrophy of the kidney structure and cyst formation
Learn More About hydronephrosis
Cite this Entry
“Hydronephrosis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hydronephrosis. Accessed 26 Jun. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
Take the quiz
-
Words Named After People
Find out who’s behind "leotard," "morphine," an...
Take the quiz
-
Name That Thing
Test your visual vocabulary with our 10-question ...
Take the quiz
-
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...
Take the quiz
Share hydronephrosis