<prompt> Annular pancreas, true is -Complete or paial rotation failureCongenitalNormal histologyAll  <response>: Answer a i.e. Complete or paial rotation failure; b i.e. Congential ; c i.e. Normal histology Annular pancreas is a congenital anamoly resulting from failure of normal clockwise rotation of the ventral pancreas. The histology of pancreatic tissue is normal. 