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. [ GOC:tfm http://www.ncbi.nlm.nih.gov/pubmed/3926620 ]
Synonyms: endotheliocyte of hepatic sinusoid LSEC liver sinusoidal endothelial cell