血液--组织学和胚胎学课件.ppt
blood,Constituents of blood,blood,plasma(55%)blood cell(45%),EryLeuBlood platelet,water(90%)others,(erythrocyte,red blood cell,RBC),staining method:Wright or Giemsa.,SEM,Erythrothyte,size:Diameter7.5-8.5 um.shape:biconcave circular discmorphology:no nuclei&other organelles,varieties.ABO Antigen:blood group.contents:haemoglobin(Hb)。amount:35-55lakh/mm3。,Reticulocyte,premature RBC:left some ribosome in the cytoplasm.Amount:0.5%-1.5%.Can synthesize Hb.,leukocytes(white blood cell,WBC),WBC,granulocytesAgranularleukocytes,neutrophils(60-70%)eosinophils(3%)basophils(1%),lymphocytes(20-30%)monocytes(5%),Depending on what?,(LM)Neutrophilic granulocyte,amount:60-70%.Dia:10-12um.nuclei:variable.roddish&several lobes(2-5).Granules:fine,stain lightly.functions:chemotaxis&phagocytosis.,(EM)Neutrophilic granulocyte,Nuclear lobes,Azurophilicgranules,specificgranules,(LM)Eosinophilic granulocyte,amount:0.5-3%.Dia:10-15um.nuclei:two-lobes.granules:large,stain brightly with acid dyes.Functions:chemotaxis&amoeban movement.*inhibit allergic reaction.*kill parasite.,(LM)Basophilic granulocyte,amount:0-1%.Dia:10-12 um.nuclei:irregular,shaped“S”.granules:metachromatical,purple-blue,ir-regular in size&distribution.,(LM)Lymphocyte,Amount:20-30%.Dia:virable.nuclei:large,spherical,indentation on one side,stain densely.cytoplasm:scanty,clear blue.Classification:TC BC KC NKC,(LM)Monocyte,Amount:5%.size:the biggest cells in blood.,nuclei:kidney,horse-shoe.cytoplasm:abundant,basic,grey blue.Mononuclear phagocyte system.,Azurophilicgranules,microvili,(LM)Blood platelet,Are small masses of cytoplasm shed from megakaryocyte.Irregular disc,biconvex.No nuclei,In groups.A granular central part.A clear outer zone.Functions:blood clotting&coagulation.,Granular part,Clear area,Review!,LM,?,?,EM,Neutrophil!,LM,Large Horseshoe nucleus,LM,monocyte!,LM,EM,Eosinophil!,LM,?,EM,Lymphocyte!,