PPT-The small intestine ANATOMY OF THE SMALL

INTESTINE The length of the small bowel varies from 3 to 85 m between the duodenojejunal DJ flexure to the ileocaecal valve It is difficult to establish the length of the small intestine and estimates . \r\r\f  EsophagusStomach Pancreas Small intestine Duodenum Ulcer A peptic ulcer is a sore on the Digital Laboratory. It’s best to view this in . Slide Show . mode, especially for the quizzes.. This module will take approximately 60 minutes to complete.. After completing this exercise, you should be able to:. Intestinal Obstruction. Obstruction to the . antegrade. flow of intestinal contents. Mechanical . Blockage within the lumen. Blockage from outside of the lumen. Ileus. – non mechanical. Paralysis of the intestine. Over. . Time diagrams. Classwork for Monday, 10/26/15. Inside stomach and small intestine.. . Molecules pass through walls of small intestine into blood stream and are carried to cells. throughout the body. • . The most active region for both . digestion. . and . absorption. is the . small intestine. • . The barrier through which materials must pass during absorption from the gut is formed by a single layer of epithelial cells on the surface of the villi, the . Small intestine. Small Intestine, Large Intestine and anal cannel . General Structure of the Digestive Tract. Epithelium with goblet cells and absorptive cells. Lamina . propria. Muscularis. . mucosa. Mixing contractions. Propulsive Contractions. A. ll movements of the small intestine cause at. least some degree of both mixing and. . propulsion.. Mixing Contractions (Segmentation Contractions). When a portion of the small intestine becomes distended. 2017. How is the body of a . mammal organized?. Experimental Question: . Revised 2-10-2014. Objectives. Study the gross anatomy of a mammal that shares a common evolutionary ancestor with humans.. Identify and compare important external structures of the rat to human features. . The . length of the small bowel varies . from 300 . to 850 . cm.. . B. etween . the duodenojejunal (DJ) flexure . to the . ileocaecal . valve. . The . proximal 40% of the small intestine is referred to . Composition of Bile. A yellowish-green liquid that is continuously secreted from liver cells. Contains:. Water. Bile salts. Bile pigments (bilirubin and . biliverdin. ). Cholesterol. Electrolytes. Bile Salts are most abundant and only substance to have a digestive function. Dr. . Alaa. . Jamel. Tumours. of the small intestine. Classification. Benign . Adenoma. Gastrointestinal . stomal. . tumour. (. lio. . myoma. ). Lipoma. Hamartoma. (e.g. . peutz-jeghers. syndrome associated with . TOPICS TO BE DISCUSSED. . Gross Anatomy. Histology . Embryology. Gastrointestinal tract. . Rima. . oris. to anus. 1.Oral cavity- . tongue,teeth,salivary. . glands,hard. . palat. and soft . palat. . Digestive system. The digestive system is used to for breaking down foods into nutrients which then pass into the circulatory system and are taken to where they are needed in the body and remained matter are thrown out of the body . -anatomically in to three regions, duodenum, jejunum and ileum.. -it digests food material and absorbs end products of the digestive process... -to perform its digestive functions, the first region of the small intestine, the duodenum, receives enzymes and alkaline buffer from the pancreas and bile from the liver, additionally, epithelial cells and glands of the mucosa contribute buffer and enzymes to facilitate digestion..