abnormal renal corpuscle morphology abnormal kidney arterial blood vessel morphology abnormal kidney afferent arteriole morphology 2011-10-12T01:47:23Z MP:0011312 MPheno.ontology abnormal renal afferent arteriole morphology any structural anomaly of the blood vessels that branch from the kidney interlobular artery, convey blood to the glomerular capillaries, and play an important role in the regulation of blood pressure as a part of the tubuloglomerular feedback mechanism csmith