Gallbladder contraction is stimulated by

Actions of CCK -        Stimulates pancreatic enzymes secretion. -        Stimulates enterokinase secretion. -        Stimulates insulin secretion. -        Stimulates glucagon secretion. -        Potentiates Secretin -        Increases pyloric sphincter tone. -        Inhibits gastric emptying -        Stimulates gall bladder contraction -        Stimulates small intestinal and colonic motility -        Relaxes lower esophageal sphincter -        Trophic effect on the pancreas