abnormal kidney capillary morphology abnormal peritubular capillary morphology 2011-10-12T02:18:59Z MP:0011321 MPheno.ontology any structural anomaly of the tiny blood vessels that receive blood from the efferent arterioles of the glomerulus, and interact with superficial cortical nephrons allowing reabsorption and secretion between blood and the inner lumen of the nephron; peritubular capillaries are situated around the tubule and are at low pressure csmith