基础医学英语课件：Unit 9 Immune System

1、Unit 9The Immune System,cell,white, white cell,leukocyte,leukemia 白血病,origin,oppose,antigen,pathogen allergen,cell,cytotoxic,cytology 细胞学,single,monocyte,monoxide monopoly monologue,huge,macrophage,phagocyte phagocytosis esophagus,eat, destroy,leukocyte,plasma cell,macro phage,mast cell,neutro- phil

2、,baso- phil,eosino- phil,mono- cyte,lympho- cyte,B cell,cytotoxic T cell,helper T cell,natural killer cell,Paragraph 1-3. 1. Definition of the immune system? 2. Main roles of the immune system? 3. The main functions of leukocytes? 4. The two basic types of leukocytes?,2. a. keeping people healthy b.

3、 preventing infections 3. They combine to seek out and destroy the organisms or substances that cause diseases. The leukocytes a. circulate through the body b. circulate through the blood vessels. 4. Phagocytes and lymphocytes.,Read paragraph 4-8. 5. the most common type of the phagocytes? 6. Please

4、 shortly explain lymphocytes. And what jobs do B cells and T cells do? 7. What is antigen?,Read paragraph 4-8. 5. the most common type of the phagocytes? 6. Please shortly explain lymphocytes. And what jobs do B cells and T cells do? 7. What is antigen?,Lymphoid Organs Primary lymphoid organs bone m

5、arrow thymus Secondary lymphoid organs 1) lymph nodes 2) spleen 3) mucosa-associated lymphoid tissue (MALT),erythrocyte,leukocyte,platelet,lymphocyte,monocyte,eosinophil,basophil,neutrophil,Feedback: Primary lymphoid organs bone marrow thymus Secondary lymphoid organs 1) lymph nodes 2) spleen 3) muc

6、osa-associated lymphoid tissue (MALT),2) Thymus,Feedback: Primary lymphoid organs bone marrow thymus Secondary lymphoid organs 1) lymph nodes 2) spleen 3) mucosa-associated lymphoid tissue (MALT),Secondary lymphoid organs 1) Lymph nodes,Bean-shaped. Filters particulate and soluble molecules out of l

7、ymph,微尘，微粒,Feedback: Primary lymphoid organs bone marrow thymus Secondary lymphoid organs 1) lymph nodes 2) spleen 3) mucosa-associated lymphoid tissue (MALT),2) Spleen,Filters particulate and soluble molecules out of blood,Feedback: Primary lymphoid organs bone marrow thymus Secondary lymphoid orga

8、ns 1) lymph nodes 2) spleen 3) mucosa-associated lymphoid tissue (MALT),3) Mucosa-associated lymphoid tissue (MALT) generally consists of rather loosely-organized lymphoid cells that are associated with mucosal tissues that line the: Digestive tract: tonsils adenoids appendix Respiratory tracts,Anti

9、bodies,1. What are antibodies? How do they work? 2. What are the main functions of the antibodies?,Functions,Protecting the body by helping other immune cells ingest antigens Neutralizing toxins produce by different organism Activating a group of proteins called complement,Complement System,1. What

10、does the complement system consist of ? 2. What are the main functions of the complement system?,Three Types of Immunity,Oral Presentation,Prepare an oral presentation (10 minutes) on the Immune System, using ppt. and present it next time.,Task,Work individually Complete the following table Submit y

11、our work with your name and ID No.,Immune Cells,pancreas rectum cholesterol enzyme mucosa tract saliva,esophagus carbohydrate starch bile maltose glucose amino acid,aorta vena cava ventricle systole diastole capillary colon pulmonary coronary artery valve,pelvis cartilage calcium collagen periosterium cerebrum cerebellum pharynx larynx trachea bronchi,neuropore diencephalon synapse