“…Once in the circulating blood, albumin is transported across the capillary wall to the interstitial fluid and body cavity fluids. It is probable that the transport of albumin from the interstitial fluid to plasma is almost exclusively via lymphatics rather than by re-entry of blood capillaries (12 (14). Utilizing the fluorescent antibody technique, Gitlin, Landing and Whipple (15) have demonstrated homologous serum albumin intracellularly in a variety of human tissues.…”