part of part_of part of channel for channels_from channels_into blood heart artery anatomical conduit outflow tract cardiac outflow tract UBERON:0004145 XAO:0004139 EHDAA:798 EHDAA2:0001351 The outflow tract is the portion of the heart through which blood flows into the arteries. VHOG:0000670 arterial (outflow) pole heart outflow tract MA:0000100 Depending on the species, attached at the cardiac outflow are described the conus arteriosus, the truncus arteriosus and, or the bulbus arteriosus. At the distal limit of these outflow structures, but lying outside the pericardial cavity, is the ventral aorta[PMID:20735616] EMAPA:16346 EHDAA:464