part_of part of part of abdomen vein abdomen blood vessel vein of abdomen TODO mirror representation of abdominal aorta UBERON:0013126 abdominal vein this class groups all veins that are in the abdomen. The term 'abdominal vein' may have specific meanings in different contexts. The lateral abdominal veins are present in fishes but usually merged or absent in tetrapods; in amphibians, the L&R abdominal veins merge into the ventral abdominal vein A vein that is part of a abdomen. SCTID:281473003 uberon