Image removed due to copyright reasons. · contract, acinar cells to secrete digestive enzymes and the sphincter of Oddi to relax. CCK also inhibits further gastric emptying. CCK

Image removed due to copyright reasons.

Figure by MIT OCW.

Figure removed due to copyright reasons. Please see:

Model of Duct Cell Secretion from Marino, C. R., and F. S. Gorelick. "Scientific advances in cystic fibrosis." Gastroenterology 103 (1992): 681-693

Image by MIT OCW.

Brain

Stomach

Increase in CCK

levels

Increase in CCK

levels

S.O. relaxationGallbladder contracts

Satiety

Inhibition of

gastric emptying

Inhibition

Satiety

Inhibition of

gastric emptying

Inhibition

Satiety

Inhibition of

gastric emptying

Inhibition

Satiety

Inhibition of

gastric emptying

Inhibition

Bile and pancreatic juice released into the duodenum

Chyme entering

the duodenum

Chyme entering

the duodenum

Pancreatic acinar secretion

Regulation of GI function by CCK

Figure by MIT OCW.Figure by MIT OCW.Figure by MIT OCW.

(Figure by MIT OCW.)

Figure removed due to copyright reasons. Please see:

Whitcomb, D. C., et al. "Hereditary pancreatitis is caused by a mutation in the cationic trypsinogen gene." Nature Genetics 14 (1996): 141-5.