... lining of the liver sinusoids, acting tophagocytose foreign particu late matter from the circulat-ing blood. In recent years, the use of mice, and particularlygenetically engineered mice, in ... immunocytochemistry methods. KJL participated in the design of the study and analysis of the results. RTR participated in the design of the study, performed some of the injections and perfusions, ... were injected intravascularly, they werefound virtually continuously in the lini ng of the sinusoi-dal capillaries of the liver (Figure 2G,H,I). Some of thesesmaller microspheres were found within...