part_of part of part of organ subunit lobe of liver some work needs to be done to ensure the child terms of this class have correct isa/partof placement. in MA they are subclasses, in FMA they are parts Traditional gross anatomy divided the liver into four lobes based on surface features. The falciform ligament is visible on the front (anterior side) of the liver. This divides the liver into a left anatomical lobe, and a right anatomical lobe. NCIT:C49579 Wikipedia:Liver#Lobes SCTID:245378000 lobus hepatis EMAPA:18306 FMA:13361 MA:0000360 UMLS:C0447541 liver lobe UBERON:0001113 hepatic lobe uberon liver endoderm-derived structure anatomical lobe