supplies supplies connecting branch of yolk sac artery vitelline blood vessel dorsal aorta vitelline artery http://upload.wikimedia.org/wikipedia/commons/5/55/Gray31.png EHDAA2:0002208 UBERON:0006002 uberon Wikipedia:Vitelline_arteries EMAPA:16207 The paired arteries that carry blood to the yolk sac from the dorsal aorta.