part_of part of part of artery caudal artery The posterior extension of the dorsal aorta to the tail region, which degenerates at metamorphosis.[AAO] EFO:0003472 XAO:0000364 Extension of the dorsal aorta in the tail. Kimmel et al, 1995.[TAO] Extension of the dorsal aorta in the tail. AAO:0011023 Wikipedia:Caudal_artery VHOG:0000123 TAO:0000011 CA UBERON:0003086 ZFA:0000011 axial vasculature zebrafish component