基础医学英语课件：Unit 9 Immune System.ppt

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1、Unit9TheImmuneSystemcellwhite,whitecellleukocyteleukemia白血病originopposeantigenpathogenallergencellcytotoxiccytology细胞学singlemonocytemonoxidemonopolymonologuehugemacrophagephagocytephagocytosisesophaguseat,destroyleukocyteplasmacellmacrophagemastcellneutro-philba

2、so-phileosino-philmono-cytelympho-cyteBcellcytotoxicTcellhelperTcellnaturalkillercellParagraph1-3.1.Definitionoftheimmunesystem?2.Mainrolesoftheimmunesystem?3.Themainfunctionsofleukocytes?4.Thetwobasictypesofleukocytes?2.a.keepingpeoplehealthyb.preventinginfecti

3、ons3.Theycombinetoseekoutanddestroytheorganismsorsubstancesthatcausediseases.Theleukocytesa.circulatethroughthebody…b.circulatethroughthebloodvessels.4.Phagocytesandlymphocytes.Readparagraph4-8.5.themostcommontypeofthephagocytes?6.Pleaseshortlyexplainlymphocytes

4、.AndwhatjobsdoBcellsandTcellsdo?7.Whatisantigen?Readparagraph4-8.5.themostcommontypeofthephagocytes?6.Pleaseshortlyexplainlymphocytes.AndwhatjobsdoBcellsandTcellsdo?7.Whatisantigen?LymphoidOrgansPrimarylymphoidorgansbonemarrowthymusSecondarylymphoidorgans1)lymph

5、nodes2)spleen3)mucosa-associatedlymphoidtissue(MALT)erythrocyteleukocyteplateletlymphocytemonocyteeosinophilbasophilneutrophilFeedback:PrimarylymphoidorgansbonemarrowthymusSecondarylymphoidorgans1)lymphnodes2)spleen3)mucosa-associatedlymphoidtissue(MALT)2)Thymus

6、Feedback:PrimarylymphoidorgansbonemarrowthymusSecondarylymphoidorgans1)lymphnodes2)spleen3)mucosa-associatedlymphoidtissue(MALT)Secondarylymphoidorgans1)LymphnodesBean-shaped.Filtersparticulateandsolublemoleculesoutoflymph微尘，微粒Feedback:Primarylymphoidorgansbonem

7、arrowthymusSecondarylymphoidorgans1)lymphnodes2)spleen3)mucosa-associatedlymphoidtissue(MALT)2)SpleenFiltersparticulateandsolublemoleculesoutofbloodFeedback:PrimarylymphoidorgansbonemarrowthymusSecondarylymphoidorgans1)lymphnodes2)spleen3)mucosa-associatedlympho

8、idtissue(MALT)3)Mucosa-associatedlymphoidtissue(MALT)generallyconsistsofratherloosely-organizedlymphoidcellsthatareassociatedwithmucosaltissuesthatlinethe:Digestivetr