<prompt> Factor increasing gastric motility:Presence of fatty food in stomachDistension of stomachPresence of tryptophan in stomachPresence of acid in stomach  <response>: Promoters of gastric emptying Chemical Gastrin Mechanical Gastric Distension Inhibitors of gastric emptying: Enterogastric inhibition: Duodenal distension Irritation of duodenal mucosa Acidic chyme Hyperosmolar chyme High fat content of chyme Hormonal inhibition: 6. CCK 