abnormal kidney cortex morphology kidney cortex cysts abnormal membranous sacs appearing in the outer portion of the kidney located between the renal capsule and the renal medulla and involved in ultrafiltration, containing the renal corpuscles, the renal tubules (except for parts of the loop of Henle which descend into the renal medulla), blood vessels and cortical collecting ducts cysts in kidney cortex MP:0000522 renal cortical cysts renal cortex cysts MPheno.ontology kidney cysts