part of part of overlaps overlaps connected to connected to contributes to morphology of Homo sapiens abdomen descending aorta abdominal aorta http://upload.wikimedia.org/wikipedia/commons/a/af/Gray531.png aorta abdominalis MESH:D001012 pars abdominalis aortae GAID:470 galen:AbdominalAorta BTO:0002976 UBERON:0001516 NCIT:C32038 EFO:0002524 Many of the branches of the abdominal aorta in mammals may be branches of the dorsal aorta in other vertebrates MA:0000474 pars abdominalis aortae Wikipedia:Abdominal_aorta abdominal part of 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]. SCTID:244231007 EMAPA:17856 descending abdominal aorta abdominal part of aorta FMA:3789 UMLS:C0003484 descending thoracic aorta section of aorta