our findings suggest ( 1 ) that abnormal loss of protein and glucose in urine is due to diffusion of these substances from interstitium to tubular fluid across the denuded permeable basement membranes of the necrotic tubules , and ( 2 ) that tubular cells normally are a barrier to diffusion of certain solutes betweeen interstitial and tubular fluids .
C0439861
substances
C0005889
fluids