Peripheral cholecystokinin A and cholecystokinin B receptors mediate stimulation of gastric pepsinogen and acid secretion following intracerebroventricular injection of cholecystokinin-8-sulphate.

receptor antagonist) or by bilalera/l'agoromy. Hawel'f'r. illlr{n'f'lUmS del'aupide partly anwgo"it.ed pep,figoglll! ac· tio" of immcerebrol'l'flrriclI/(l r dwlecystvkini,,·8S witllOlI/ "ffeeling its acid 1t)1,erl'et'n.'lOry effect, whcretls after intm· vellOllS injection of