Physiology 1021 Lecture Notes - Lecture 39: Medulla Oblongata, Muscular Layer, Gastrin

• School: Western University
• Department: Physiology
• Course: Physiology 1021
• Professor: John Ciriello

Document Summary

Phases are named by where they are initiated. The enteristic is specific to the digestive system. Seeing food increases secretions from salivary glands (cinnamon in a mall) Even though food is not in stomach it still makes acid because it is preparing for the food that is to come. Because we see food and we eat it. Chyme pushing through large intestine faster when hear stomach rumble. Because it is getting ready for food to come in which it wants because we are hungry. The stretching of stomach because of the food is the stimulus which activates neurons. Sub mucosal increased secretions since it is part of that . Gastrin from gcells is released due to the presence of food. Things like acid are being released in higher amount (need acid to unfold proteins and break apart) Intestine is getting ready for food to come. Pyloric sphincter is opened more therefore increased gastric emptying.