renal aplasia

renal agenesis

The absence of one or more kidneys, which, if bilateral, is universally fatal.

Molecular pathology
Renal agenesis is associated with defects of RET and UPK3A.

renal aplasia

 Nondevelopment of a kidney or renal tissue
References in periodicals archive ?
Unilateral renal agenesis occurs in approximately 1/1,300 pregnancies (1), the majority of which are probably cases of renal aplasia (2).
Herlyn–Werner syndrome in their original description is a unilateral renal aplasia, with double uterus and blind vagina presenting as Gartner's pseudocyst.
Gayer G, Zissin R, Strauss S, Hertz M (2003) IVC anomalies and right renal aplasia detected on CT: a possible link?
8) classified their 53 cases of the MRKH syndrome in three recognized subtypes: typical, atypical, and MURCS (Mullerian duct aplasia, renal aplasia, and cervicothoracic somite dysplasia).
Unilateral polycystic renal disease, multicystic renal dysplasia and renal aplasia are all synonymous with renal dysplasia, which is a rare pathological condition.