part of part of endothelial cell fenestrated endothelial cell endothelial cell of sinusoid endothelial cell of hepatic sinusoid endotheliocyte of hepatic sinusoid An endothelial cell that is part of the hepatic sinusoid. These cells possess flattened areas containing perforations about 0.1 micrometers in diameter, known as fenestrae. The fenestrae are arranged in groups known as sieve plates. liver sinusoidal endothelial cell BTO:000125 LSEC https://cellxgene.cziscience.com/cellguide/CL_1000398 FMA:62911 Homo sapiens hepatic sinusoid