<prompt> Commonest position of appendix?SubhepaticPelvicPre-ilealRetrocaecal  <response>: Ans. d Retrocaecal Ref. Bailey and Love surgery 25thpg. Fig. 67.1; pg. 1204Vermiform appendix is a muscular, tubular structure arising from caecum.Its various positions include: Retrocaecal74 Pelvic21 Paraceacal2 Sub-caecal1.5 Preileal1 Postileal0.5Note: the appendicular artery is branch of lower division of Iliocolic artery. 