has part has part has_part characteristic of has modifier dilated liver sinusoidal space enlarged hepatic sinusoidal space dilated liver sinusoidal spaces Hepatic sinusoidal dilatation can be caused by hepatic venous outflow obstruction or extrahepatic inflammatory conditions; the dilated lumens can appear congested and packed with erythrocytes. Per PMID:15361506 and PMID:29844855, hepatic sinusoidal dilatation is defined as sinusoidal space (lumen) more than one hepatocyte plate in width the luminal space of one or more liver sinusoids is increased in volume or area liver sinusoidal space dilation MPheno.ontology increased liver sinusoidal space size hepatic sinusoidal dilation enlarged hepatic sinusoidal spaces MP:0000602 abnormal liver sinusoid morphology abnormal dilated hepatic sinusoidal space