abnormal kidney morphology abnormal kidney interstitium morphology 2011-11-08T04:02:12Z MP:0011425 MPheno.ontology abnormal renal interstitium morphology any structural anomaly of the kidney region located between the nephrons, ureteric epithelia (ureteric tips, trunk and collecting duct system) and renal vasculature, and composed of renal support cells, including fibroblasts and macrophages, and mesenchymal stroma or interstitial cells; the renal vasculature lies within the renal interstitium but is not a part of it; various conditions can lead to scarring (fibrosis) and congestion of this area, which can cause kidney dysfunction and failure csmith kidney interstitium dysplasia renal interstitium dysplasia