Mechanisms by which gastrointestinal peptides regulate and influence cell function

Reproduced from: Bohorquez DV, Liddle RA. Gastrointestinal Hormones and Neurotransmitters. In: Sleisenger and Fordtran's Gastrointestinal and Liver Disease, 10th ed, Feldman M, Friedman LS, Brandt LJ (Eds), Saunders, Philadelphia 1998. Illustration used with the permission of Elsevier Inc. All rights reserved.