Motility of the sphincter of Oddi on Bile flow mechanism.
D014670:Ampulla of Vater / Q000502:physiology*; D000818:Animals; D001646:Bile / Q000502:physiology*; D004285:Dogs; D005704:Gallbladder / Q000502:physiology*; D006801:Humans; D009119:Muscle Contraction; D009803:Sphincter of Oddi / Q000502:physiology*