umbilical artery BTO:0000841 MESH:D014469 EHDAA:1026 Wikipedia:Umbilical_artery EHDAA:410 The umbilical artery is a paired artery (with one for each half of the body) that is found in the abdominal and pelvic regions. In the fetus, it extends into the umbilical cord. [WP,unvetted]. EMAPA:16372 RETIRED_EHDAA2:0002106 SCTID:261404000 MA:0002072 EMAPA:16331 FMA:18820 NCIT:C33827 GAID:516 CALOHA:TS-1077 a. umbilicalis artery umbilical blood vessel