《人体淋巴系统》PPT课件

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1、淋巴系统LymphaticSystem淋巴管道：毛细淋巴管、淋巴管、淋巴干、淋巴导管lymphvessel淋巴器官：淋巴结、脾、胸腺、扁桃体lymphaticorgan淋巴组织：含大量淋巴细胞（弥散的和淋巴小结）lymphatictissue组成功能辅助静脉回流产生淋巴细胞过滤淋巴液参与免疫应答1回收蛋白质运输脂肪及营养物质2清除组织中的红细胞细菌和异物3调节血浆和组织液间的液体平衡4产生淋巴细胞和浆细胞参与免疫反应淋巴回流LymphnodesTheLymphaticSystem淋巴系统ACapVLymphatic-CapillaryLymphaticLymphatictrun

2、ksLymphaticducts（淋巴结）（淋巴干）（淋巴导管）（毛细淋巴管）Aassistantsystemtothevein辅助静脉系统回流CompositionLymphaticvessels淋巴管道Lymphaticcapillary毛细淋巴管Lymphvessels淋巴管Lymphatictrunks(9)淋巴干Lymphaticducts(2)淋巴导管thoracicduct胸导管rightlymphaticduck右淋巴导管Lymphaticorgans淋巴器官Lymphnodes淋巴结spleen脾thymus胸腺tonsil扁桃体,Lymphatictissu

3、es淋巴组织Featuresofstructure:BlindendSinglelayerofoverlappingendothelialcellsMorepermeablethanthatofbloodcapillaryAbsentfromavascularstructures,brain,spinalcordsplenicpulpandbonemarrowLymphaticvessels淋巴管道Lymphaticcapillary毛细淋巴管盲端单层重叠内皮细胞比毛细血管通透性更强脑，脊髓，脾髓，骨髓无此结构软骨、上皮、牙釉质、角膜与晶状体等亦无此结构Lymphaticves

4、sel淋巴管FeaturesofstructureThreelayeredwallsimilarto,butthinnerthanvein,MorenumerousvalvesthaninveinInterposedbylymphnodeatintervalalongthecourseArrangedinsuperficialanddeepsetsLymphaticvessels淋巴管道类似三层墙，比静脉细瓣膜远多于静脉中间有淋巴结插入分浅、深两种淋巴管Lymphatictrunks淋巴干rightandleftjugulartrunks(颈干)rightandleftsubc

5、laviantrunks（锁骨下干）rightandleftbronchomediastinaltrunks（支气管纵隔干）rightandleftlumbartrunks（腰干）intestinaltrunk（肠干）Lymphaticvessels淋巴管道Rightlymphaticduct右淋巴导管Formedbyunionofrightjugular,subclavian,andbronchomediastinaltrunksEndsbyenteringtherightvenousangle右静脉角Receiveslymphfromrighthalfofhead,neck

6、,thoraxandrightupperlimbLymphaticducts淋巴导管Lymphaticvessels淋巴管道由右颈干，锁骨下干，支气管纵膈干联合构成收集右半脑，颈部，胸，右上肢的淋巴液Thoracicduct胸导管BeginsinfrontofL1asadilatedsac,thecisternachyli乳糜池,whichformedbyjoiningofleftandrightlumbartrunksandintestinaltrunkEnterthoraciccavitybypassingthroughtheaortichiatusofthediaphra

7、gmandascendsalongonthefrontofthevertebralcolumn,betweenthoracicaortaandazygosveinLymphaticvessels淋巴管道起源于第一腰椎前方的乳糜池，由左右腰干和肠干联合构成穿过膈上的主动脉裂孔，沿着脊柱前方，在胸主动脉和奇静脉之间上升进入胸腔Travelsupward,veeringtotheleftatthelevelofT5Attheroofoftheneck,itturnslaterallyandarch