循环系统组织学-英文教学课件（非AI生成）.ppt

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HistologyofCirculatorySystem2

Cardiovascular/bloodcirculatorysystem：Lymphaticsystem:artery,vein,capillary,heart3

Onstudyingthischapter,youshouldbebettertounderstand:Thehistologicalorganizationoftheheart;Theeventsthatresultinaheartbeat;Differentkindsofbloodvesselsinroutinesection;Microstructureof3kindsofcapillaries.4

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Generalorganizationofvesselstunicaintima:

--Endothelium:simplesquamousepithelium

--Subendotheliallayer:CT

--Internalelasticmembranetunicamedia:

--largeartery:elasticfibers

--medium-sizedartery:smoothmuscle

--smallvessels:thin/lackmuscletunicaadventitia:

--Externalelasticmembrane

--Looseconnectivetissue,longitudinalmuscleinlargevessels6

endothelium:plasmalemmalvesicle

transendothelialchannel;

transportlargemolecules.Weibel-Paladebody:

secretefactorⅧrelatedantigenmicrotubuleandmicrofilament7

endothelia:thrombosishyperlipoidemiaNicotine

…trauma

operation8

Endotheliaandneoangiogenesis9

neoangiogenesisandtumor10

ArteryConductingbloodfromtheheartanddistributeit

aroundthebody;Thickwallandroundlumen;Theboundariesbetweenthethreetunicaof

artery’swallaredistinct.11

Tunicaintima:

thick,internalelasticmembraneisnotprominentTunicamedia:

40-70layersofelasticmembrane,somemusclesandfibroblastsTunicaadventitia:

thin,connectivetissue,vasavasorumlargeartery/elasticarteryNutritionsupplyofarterywall12

ElasticvanGiesonHEstain13

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Tunicaintima:

conspicuouswavypinkrefractileinternalelasticmembraneTunicamedia:

10-40layersofsmoothmuscles

Tunicaadventitia:

consistschieflyofelasticfibers,togetherwithsomecollagen

vasavasorum,lymphatics

Medium-sizedartery/muscularartery15

HEstainElasticvanGieson16

：endothelium：subendothelium：internalelasticmembranetunicaintimaof

medium-sizedartery17

endotheliu