obturator veins obturator veins the obturator vein begins in the upper portion of the adductor region of the thigh and enters the pelvis through the upper part of the obturator foramen, in the obturator canal. obturator veinsthe veins of the right half of the male pelvis. (obturator labeled at center left.)detailsdrains tointernal iliac veinarteryobturator arteryidentifierslatinvenae obturatoriaeta98a12.3.10.007ta25027fma70909anatomical terminology it runs backward and upward on the lateral wall of the pelvis below the obturator artery, and then passes between the ureter and the hypogastric artery, to end in the hypogastric vein. it has an anterior and posterior branch (similar to obturator artery). additional images variations in origin and course of obturator artery. the relations of the femoral and abdominal inguinal rings, seen from within the abdomen. right side. veins of the penis.