Summary BIOS 256 LAB ASSESSMENT

Well elaborated terms:  Reviewing Your Knowledge A. Layers of the Gastrointestinal Tract Name the layers of the GI tract that are described. Muscularis  Mucosa  Submucosa  Serosa  B. Gastrointestinal Tract Organs Esophagus  Alimentary canal  Small intestine  Duodenum  Stomach  Anus  Stomach  Large intestine  Mouth  C. Digestive Organ Structures Villi Rugae  Circular folds  Pyloric sphincter Parietal peritoneum  Visceral peritoneum  Ileocecal sphincter Saliva  Hard palate  Microvilli  Epiglottis  Gums  carida  Large intestine  Pylorus  Haustra  D. Accessory Digestive Organs and the Peritoneum Teeth Pancreas Sublingual Liver Mesentery Pancreas Falciform ligament Tongue Greater omentum Parotid glands Gallbladder Lesser omentum Submandibular 14. Trace bile from its secretion to the gallbladder for storage and concentration, and then to the duodenum, listing the structures in order, using Figure 34.10. (a)hepatocytes (bhepatic portal vein (chepatic artery (dsinusoids (e central vein (fhepatic vein (g)gallbladder (hinferior vena cava (ibile canaliculi (jbile ducts (k)duodenum EXERCISE 34: Using Your Knowledge A. Digestive System Structure 1. The sensation of burning is caused by HCL reflux from the stomach. The acid eats away and destroy the mucosal lining and the blood vessels, causing bleeding. 2. When it’s removed, bile made by the liver can no longer be stored between meals. 3. Cardiac sphincter 4. Central vein 5. Folds 6. Gums 7. Transverse colon 8. Ascending colon 9. Duodenum 10. Descending colon