<prompt> Which of the following is not true regarding development of inferior vena cava?Hepatic poion is formed by right vitelline veinInfra renal poion by supra cardinal veinRenal supra renal poion by sub cardinal veinBeginning of IVC by anterior cardinal vein  <response>: DEVELOPMENT OF VENOUS DRAINAGE : Beginning of IVC is by posterior cardinal vein. Renal supra renal poion formed by sub cardinal vein Infra renal poion formed by supra cardinal vein Hepatic poion is formed by right vitelline vein Anterior cardinal vein forms SVC 