HSCI 100 Lecture Notes - Lecture 1: Glycogen, Anal Canal, Hemoglobin

• School: Simon Fraser University
• Department: Health Sciences
• Course: HSCI 100
• Professor: Nienke Van Houten

Document Summary

Mucosa innermost layer that produces mucus that protect the lining and also produce digestive enzymes. Submucosa 2nd layer of loose connective tissue that contains blood vessels, lymphatic vessels and nerves. Muscularis 3rd layer made of 2 layers of smooth muscle that move food along the gi tract. Serosa outer lining that is part of the peritoneum that covers abdominal organs. Occurs when acid from the stomach pass into the esophagus. Chronic heartburn is called gastro esophageal reflux disease and could be brought on by helicobacter pylori infection. Some drugs, such as antacids, neutralize the stomach acid, while others such as nexium, prevent hci secretion by oxyntic cells. Tips for decreasing heartburn: avoid high fat meals fat takes longer to break down, don"t overeat, eat several small meals rather than the standard 3 larger meals each day, exercise lightly. First section is called duodenum, and is where liver/gallbladder/pancreas connect.