<prompt> The accessory pancreatic duct opens on which of the following structure ?major duodenal papillaeminor duodenal papillaeArch of plica semicircularisplica longitudinalis  <response>: The minor duodenal papilla is present 6 to 8 cm distal to the pylorus, and presents the opening of the accessory pancreatic duct. Ref : B D Chaurasias Human Anatomy , seventh edition , volume 2 , pg. no., 287. Fig Ref : B D Chaurasias Human Anatomy , seventh edition , volume 2 , pg. no., 329 fig. 23.16 . 