part of part_of part of part_of has part has_part has part contributes to morphology of abdomen descending aorta abdominal aorta Abdominal part of aorta: the distal part of the descending aorta, which is the continuation of the thoracic part and gives rise to the inferior phrenic, lumbar, median sacral, superior and inferior mesenteric, middle suprarenal, renal, and testicular or ovarian arteries, and celiac trunk[BTO]. The abdominal aorta is the largest artery in the abdominal cavity. As part of the aorta, it is a direct continuation of descending aorta(of the thorax). [WP,unvetted]. BTO:0002976 EFO:0002524 EMAPA:17856 FMA:3789 GAID:470 MA:0000474 MESH:D001012 Many of the branches of the abdominal aorta in mammals may be branches of the dorsal aorta in other vertebrates NCIT:C32038 OpenCyc:Mx4rvYhWCZwpEbGdrcN5Y29ycA UBERON:0001516 UMLS:C0003484 abdominal part of aorta abdominal part of aorta aorta abdominalis descending abdominal aorta galen:AbdominalAorta pars abdominalis aortae pars abdominalis aortae uberon section of aorta