part of part of connecting branch of system internal iliac artery obturator artery UBERON:0001314 MA:0002008 The obturator artery passes antero-inferiorly (forwards and downwards) on the lateral wall of the pelvis, to the upper part of the obturator foramen, and, escaping from the pelvic cavity through the obturator canal, it divides into both an anterior and a posterior branch. [WP,unvetted]. NCIT:C33190 FMA:18865 Wikipedia:Obturator_artery SCTID:244302006 artery