3d isometric flat conceptual of formation of urine

glomerular nephron anatomy glomerulus kidney urine filtration isometric vector 3d cartoon illustration flat concept background icon design formation corpuscle convoluted cells tubule biology renal tubular structure endothelial excretion system capillaries human proximal arteriole graphic health bowman reabsorption education internal medical lung poster space peritubular medicine urinary secretion mesangial science