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Digestive System

Code 15119
Year 2
Semester A1
ECTS Credits 7
Workload OT(46H)/PL(8H)/S(6H)
Scientific area Morphological and Functional Sciences
Entry requirements Basic knowledge of cell biology and biochemistry, and of the central nervous system
Learning outcomes Describe the anatomy and anatomical relationships, embryology and histology of the organs of the digestive tract and annexe glands, the anatomical structure and arrangement of the anterolateral abdominal wall and the parietal and visceral peritoneum.
Relate the histology of the organs of the digestive system with the functions they perform and explain the importance and regulatory mechanisms of these functions.
Explain the processes of digestion and absorption of the main nutrients and the importance of morphophysiological adaptations of the gastrointestinal tract in these processes.
Explain the regulatory mechanisms of intestinal transit along the entire gastrointestinal tract and its importance for the digestion and absorption of nutrients.
Identify the organs of the digestive tract in histology images.
Syllabus Anatomy, embryology, histology of the mouth, tongue, pharynx, esophagus, stomach, duodenum, jejunum, ileum, colon, rectum, anal canal and glands/annex organs: salivary glands, liver, gallbladder and pancreas.
Composition of secretions from the organs of the digestive system: salivary, gastric, pancreatic secretion, bile production, control of its secretion and relevance in the digestion of nutrients.
Liver functions: elimination of viruses and bacteria, metabolism and storage of nutrients, production of bile, regulation of blood volume, detoxification, production of plasma proteins.
Mechanisms of digestion and absorption of proteins, lipids and carbohydrates.
Intestinal transit and its regulation by the enteric nervous system, hormones and local mediators: swallowing, gastric emptying, small bowel transit and the importance of segmental contractions, colonic transit and mass movements, regulation of the defecation process
Main Bibliography Johnson, L.R. (2007). Gastrointestinal physiology. 7th Ed. Mosby, St. Louis.
Mostafa RM, Moustafa M Y, Hamdy H. Interstitial cells of Cajal, the Maestro in health and disease World J Gastroenterol 2010 July 14;16(26): 3239-3248
Guyton and Hall (2006). Textbook of medical physiology. Cap.70
Young B. and Heath J.W. (2000). Wheater´s Functional Histology. Churchill Livingstone, London.
Moore e Persaud (2000). Embriologia Básica, 5ª Ed, Guanabara Koogan SA, Rio de Janeiro, 453p.
Salivary Gland Disorders 2007, pp 1-16 Anatomy, Function, and Evaluation of the Salivary Glands F. Christopher Holsinger MD, FACS,Dana T. Bui BA
Moore K.L., Dalley A. F. (2001). Anatomia orientada para a clínica, 4ªed., Guanabara Koogan S.A.
Teaching Methodologies and Assessment Criteria The pedagogical activities take place in tutorials where the learning objectives are discussed and problems of application of the concepts under analysis are solved. After an introductory seminar in each pedagogical unit of 1h, in Phase 1 (4h) students answer simple questions about the topics under analysis. Phase 2 involves practical activities and a period of autonomous study. In phase 3 (8h), students are encouraged to apply the acquired knowledge, through problem-solving in a team. Teamwork is encouraged and valued, as well as the ability to present the themes orally. Other forms of contact include holding interactive seminars with larger groups of students, and practical laboratory classes. Knowledge is assessed through tests with objective answer questions, which allows for an effective feedback process on learning.
Language Portuguese. Tutorial support is available in English.
Last updated on: 2022-01-14

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