sphincter of Oddi
4.The purpose of this study was to observe functional changes of sphincter of Oddi (SO) in biliary and non biliary diseases, as in functional dyspepsia (FD) and diabetic gastroparalysis (DGP). The endoscopic manometry of SO was performed in 15 cases with biliary disorders and 13 with FD or DGP, using the HRPC polygrath GI motility system with three channel perfusing catheter.

