# megacalycosis

> English word · Noun

## Definitions
1. A rare kidney condition in which one or more renal calyces become abnormally enlarged and numerous without obstruction in the renal pelvis or ureter, often caused by malformation of renal papillae or a temporary fetal obstruction.

## Etymology
From mega- + calyc- + -osis.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/megacalycosis