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组织学与胚胎学血液双语教学详解演示文稿当前1页,总共50页。(优选)组织学与胚胎学血液双语教学当前2页,总共50页。*aspecializedformofC.T.*acirculatingtissue*asatransportingmedium*atotalvolumeabout5litersin healthadultINTRODUCTION当前3页,总共50页。Componentsofblood血液的组成成分

*Formedelements------bloodcells(45%)

*Intercellularsubstance------plasma(55%)

Erythrocytes红细胞 Leukocytes白细胞 Platelets血小板H2O(90%)Plasmaproteins:albumin白蛋白,globulin球蛋白,fibrinogen纤维蛋白原,etc.Others:当前4页,总共50页。血液的组成centrifugation(离心)-------

plasmaLeukocytes+Platelets

--------Erythrocyte(Redbloodcell)anticoagulant(heparin)

抗凝剂(肝素)

当前5页,总共50页。血块、血清—Serum血清

—withoutanticoagulant

Clotting无纤维蛋白原当前6页,总共50页。血液有形成分红细胞:男(4.0—5.5)×1012/L

;女(3.5—5.0)×1012/L(350-500万个/ul)白细胞(4.0—10)×109

/L或4千-1万个/ul血小板(100—300)×109

/L

(或10-30万个/ul)

有粒白细胞

无粒白细胞中性粒细胞50-70%嗜酸性粒细胞0.5-3%嗜碱性粒细胞0-1%淋巴细胞25-30%单核细胞3-8%血液有形成分正常值血象(hemogram):血细胞的形态、数量、百分比及血红蛋白的含量.血象是临床疾病诊断、治疗的重要指标。当前7页,总共50页。Wright染色法(瑞特染色法):染料是由酸性染料伊红和碱性染料亚甲蓝组成。与酸性染料伊红结合,染粉红色;与碱性染料亚甲蓝结合,染紫蓝色。

Giemsa染色法(吉姆萨染色法):吉姆萨染液由伊红,天青组成。

血涂片bloodsmear:观察血细胞形态染色方法:Wright或Giemsa染色当前8页,总共50页。一、红细胞(erythrocyte,redbloodcell,RBC)

1.结构特点2.血型3.功能4.寿命5.网织红细胞当前9页,总共50页。MatureErythrocyte

*biconcavediscshape,

providing

greatersurfacearea;

*nonucleusandorganelles;

*

Hemoglobin(Hb

);

*deformability.SEMSize:

7.5~8.5µm(diameter)Number:

Male:4.2~5.5×1012/L(Hb:120~150g/L) Female:3.5~5.0×1012/L(Hb:110~140g/L)当前10页,总共50页。当前11页,总共50页。2.ABO血型抗原系统:红细胞膜含血型抗原

A型:有A型抗原

B型:有B型抗原

O型:无A型、B型抗原

AB型:有A型、B型抗原3.功能:

红细胞具有携带O2和CO2的功能,由血红蛋白执行。4.寿命:红细胞的平均寿命约为120天。溶血(hemolysis)血影(erythrocyteghost):溶血后残留的红细胞膜囊。当前12页,总共50页。

*notfullymatureRBC*0.51%ofatotalnumberofRBC*nonucleus*ribosomalRNAremnants(netlikestructure)*remainingHbsynthesis*ClinicsignificanceReticulocyte网织红细胞

当前13页,总共50页。

PathologicalconditionsNumberSizeShapeHbAnemia贫血

Erythrocytosis红细胞增多症

Spherocytosis;SicklecellanemiaThalassemia(地中海贫血)Large/smallcellanemia当前14页,总共50页。

Sickle-cellanemiaisapainfuldiseaseinwhichRBCsbecomecrescentshapedduetoinheritanceofanabnormaltypeofhemoglobin.SickledRBCsbreakdown,releasinghemoglobinintothecirculation.当前15页,总共50页。NormalRBCSickledRBC镰状当前16页,总共50页。当前17页,总共50页。Typically,theaffectedRBCsaresmall,sphericallyshaped,andlackthelightcentersseeninnormalRBCs.

Spherocytosis当前18页,总共50页。Generalcharacteristicofleukocytes

*sphericalshape *possesnuclei *presenceoforganelles *atotalnumberlessthanthatoferythrocytes*exhibitingamoeboidmovement *involvinginbodydefensesandimmunity二、白细胞(leukocyte,whitebloodcell,WBC)当前19页,总共50页。

当前20页,总共50页。Classification *Granularleukocytes有粒白细胞 neutrophils5070%中性粒细胞 eosinophils0.53%嗜酸性粒细胞 basophils01%嗜碱性粒细胞 *Agranularleukocytes无粒白细胞 lymphocytes2530%淋巴细胞 monocytes38%单核细胞当前21页,总共50页。

Neutrophil

Size:1012µm(diameter)

Morphology形态

nucleus:highlymorphonuclear

rod-like

2-3lobulated 4-5lobulated young old

cytoplasm:

specificgranules:80%,small azurophilicgranules:20%,lysosome溶酶体

Neutrophils中性粒细胞

(嗜天青颗粒)当前22页,总共50页。中性粒细胞模式图(示杆状核演变至5叶核,新生到衰老)当前23页,总共50页。中性粒细胞(血涂片)NeutrophilsLobulatednuclei

Rod-likenucleusazurophilicgranules*fine,uniform细腻,均匀

*evenlydistributed*pinkstainingCharateristicsofspecificgranules:当前24页,总共50页。Specificgranules(80%,samll)contain:alkalinephosphatase碱性磷酸酶

*Phagocytin吞噬素*lysozyme

溶菌酶AzurophilicG.(large,less)containing:acidphosphatase酸性磷酸酶*

Peroxidase过氧化物酶Neutrophil(EM)当前25页,总共50页。FunctionChemotaxis(Mobility)趋化性:

Attractedbychemotacticfactor(releasedbymacrophages)Phagocytosis&destroybacteria:

吞噬和杀灭细菌

thenumberofleukocytes↑

acute

the%ofneutrophils↑

bacteriainfection

当前26页,总共50页。Size:

1012µm(diameter)LM:nucleus:

lobulated;Sorirregular; obscuredoutlinecytoplasm:basophilicgranules

*variablesize*unevendistribution*strongbasophiliaCharacteristicBasophil嗜碱性粒细胞当前27页,总共50页。

Basophil

E.M.:

Basophilicgranulescontain:*heparin*

histamineF.N.:

*

anticoagulate*

responsibletoallergicreactionnucleus当前28页,总共50页。Size:1015µm(diameter)LM: -usuallybilobednucleus-eosinophilicgranules

*strongeosinophilia(reddish) *coarseandrefractile

*uniformsizeandevenlydistributedEosinophils嗜酸性粒细胞Characteristic当前29页,总共50页。(电镜)

Eosinophilicgranules(primarylysosomes)whichcontainsubstances:

*acidphosphatase *arylsulphatase芳基硫酸酯酶 *Peroxidase *histaminase组胺酶nucleusEosinophilicgranules

withcrystalloidinthecenter(EM)当前30页,总共50页。FunctionChemotaxis(趋化性)

attractedbychemotacticfactorfromthemastcellsPhagocytize(吞噬)

foreignbodies,Ag-AbcomplexAnti-allergy(抗过敏)

Releasehistaminase,inactivatehistamineforweakeningallergicreactionAnti-parasite

(抗寄生虫)

Itisincreasedinpatientsinfectedw/allergicreactionorparasite

当前31页,总共50页。Neutrophils:

*ruffledmembranemovement*chemetaxis*phagocytosis

Eosinophils:anti-parasite;anti-allergyBasophils:

*anticoagulation; *involvinginallergicresponseFunctionofgranularleukocytes当前32页,总共50页。Size:

1420µm(diameter)Nucleus:large,eccentric,lightstaining, deepindentation,horseshoe

cytoplasm:

abundant,gray-bluestaining, weakbasophilia, numerouspurplegranules(azurophilicG)Monocyte单核细胞当前33页,总共50页。当前34页,总共50页。

Smallpseudopodia,microvillus,mitochondrionRER,Lysosomes(azurophilicgranule)contain:*Peroxidase*Acidphoshpatase*Lysozyme

溶菌酶(EM模式图)nucleusMonocyteunderEM当前35页,总共50页。Functionof

monocyte

-differentiateintomacrophages.phagocytosisimmuneresponsegiverisetoosteoclasts破骨细胞,whichareabletodissolvebone.

当前36页,总共50页。Lymphocytes淋巴细胞3types:small6~8μm;medium-sized9~12μm;large13~20μmSmalllymphocyte(90%):LM:Roundorovoid;

Nu.:

sphericity,indentation,condensedchromatin,darkstaining.

Cytoplasm:

scanty,asathinriminlight-bluew/azurophilicgranules

当前37页,总共50页。*alargenumberoffreeribosomes,*afewmitochondria,andotherorganelles*exhibitingsmallcytoplasmicprojectionsinthesurfaceofcells.(EM模式图)nucleusLymphocyteunderEM

当前38页,总共50页。Classification*function#

T-Cell:75%cellularimmunityB-Cell:10-15%humoralimmunitylargegranulelymphocyte(K&NKcell)*basedonthesource,characteristicsoncellularmembrane,life&function#immunologicaldefence

Classification&Function当前39页,总共50页。三、血小板(bloodplatelet,thrombocyte)Megakaryocyte’sfragment,inclumpsLM:2~4μm,disc-likeorirregular,anucleated.

Tworegions:

①Granulomere:centrally-located,purple-bluegranules.②Hyalomere:peripherallylocated,inlight-blue.当前40页,总共50页。①cellcoat:richinglycoproteinsassociatedtoplateletadhesion;②M.T.system:

a.openingtubulesystem开放小管系统:toincreasethesurfaceareaforplateletadhesion.

b.densetubulesystem致密小管系统:sER,support,collectCa2+andsynthesizeprostaglandin前列腺素E.M.:当前41页,总共50页。③actin-likeM.F微丝:

mobile.④granules:

a.αgranules(specialgranules):containingplateletderivedgrowthfactor,PDGF;thrombospondin.

b.densegranules致密颗粒:

serotonin(5-HT),ADP,ATP,Ca2+&adrenaline肾上腺素当前42页,总共50页。FunctionHemostasia止血:

2.

Coagulation凝血:3.

Protect

bloodvesselendothelium,repairingendothelium,preventatherosclerosis(动脉硬化)当前43页,总共50页。Slidesreview当前44页,总共50页。当前45页,总共50页。五、骨髓和血细胞的发生

(bonemarrowandhematopoiesis)

Hematopoieticorgan造血器官

yolksac卵黄囊(earlyembryo)→Liver肝/spleen脾(6w—5m)

→bonemarrow骨髓(4mandafter)Structureofbonemarrow

骨髓

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