Human Embryology and Teratology
Teaching text 10: Urinary system 14: Malformations and anomalies 1
Malformations and anomalies of the urinary system
Kidney and ureter
If the ureteric bud fails to meet the metanephrogenic blastema, an unilateral or bilateral renal aplasia will result.
A cystic kidney can have various causes. It is characterized by numerous cysts filled with liquid.
An ureteric duplication can also occur.