Way to get your kid’s ass beat in school. Get instant definitions for any word that hits you anywhere on the web! We do. So after a few pathways get involved finally our friend the vagus nerve gives the stomach a little “how’s your father” and on comes the gastric swill. If you’re getting closer to your exciting due date, you might have heard your doctor or midwife mention the term cephalic position or cephalic presentation. This results in four distinct physiological events. When appetite is depressed this part of the cephalic reflex is inhibited. Thanks for your vote! Alternatively, acid in the duodenum can stimulate S cells to secrete secretin which acts on an endocrine path to activate gastric chief cells. 4.) The only time things changed was when dad was on evening shift and we got to eat TV dinners… IN FRONT of the TV. This is why when I started IF, I did a 20 x 4 and refused to eat outside of my window until I met my goal weight. Peptones stimulate duodenal G cells to secrete gastrin.