组织学和胚胎学--血液 PPT课件.ppt

1、医学课件,1,blood,医学课件,2,医学课件,3,Constituents of blood,blood,plasma （55%） blood cell （45%）,Ery Leu Blood platelet,water（90%） others,医学课件,4,(erythrocyte,red blood cell,RBC),staining method：Wright or Giemsa.,医学课件,5,SEM,医学课件,6,医学课件,7,Erythrothyte,size：Diameter7.5-8.5 um. shape：biconcave circular disc morphol

2、ogy：no nuclei& other organelles, varieties. ABO Antigen: blood group. contents：haemoglobin(Hb)。 amount： 35-55lakh/mm3。,医学课件,8,Reticulocyte,premature RBC:left some ribosome in the cytoplasm. Amount:0.5%-1.5%. Can synthesize Hb.,医学课件,9,leukocytes(white blood cell, WBC),WBC,granulocytes Agranular leuko

3、cytes,neutrophils(60-70%) eosinophils(3%) basophils(1%),lymphocytes(20-30%) monocytes(5%),Depending on what?,医学课件,10,（LM） Neutrophilic granulocyte,amount：60-70 %. Dia : 10-12um. nuclei：variable. roddish & several lobes（2-5）. Granules: fine, stain lightly. functions：chemotaxis & phagocytosis.,医学课件,11

4、,（EM） Neutrophilic granulocyte,Nuclear lobes,Azurophilic granules,specific granules,医学课件,12,(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.,

5、医学课件,13,医学课件,14,( LM ) Basophilic granulocyte,amount：0-1%. Dia:10-12 um. nuclei：irregular, shaped “S”. granules：metachromatical, purple-blue,ir- regular in size & distribution.,医学课件,15,医学课件,16,（LM） Lymphocyte,Amount：20-30%. Dia: virable. nuclei：large，spherical,indentation on one side,stain densely.

6、cytoplasm：scanty, clear blue. Classification: TC BC KC NKC,医学课件,17,医学课件,18,（LM） Monocyte,Amount：5%. size：the biggest cells in blood.， nuclei：kidney,horse-shoe. cytoplasm：abundant,basic, grey blue. Mononuclear phagocyte system.,医学课件,19,Azurophilic granules,microvili,医学课件,20,（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.,医学课件,21,Granular part,Clear area,医学课件,22,医学课件,23,Review!,医学课件,24,LM,?,?,医学课件,25,EM,Neutrophil!,医学课件,26,LM,Large