2022
医学
专题
08
Chapter6Blood
血液
Chapter 6 Blood 血液(xuy),第一页,共三十三页。,Section 1 Body Fluid and Blood(体液与血液)Body fluid(体液):Fluid of existing in body人体内(t ni)的液体 Intracellular fluid 40%Blood plasma(血浆)4%Tissuefluid(组织液)15%Extracellular fluid 20%Lymph(淋巴)1%Cerebrospinal fluid(脑脊液),Body fluid,机体(jt)内环境,第二页,共三十三页。,1.Components of blood(血液(xuy)的基本组成),(1)Plasma(血浆)Water 水 Substance crystal(晶体(jngt)物质):inorganic phosphate(无机盐)5320mmHg Substance colloid(胶体物质)Others 其它,第三页,共三十三页。,Functions of plasma protein血浆蛋白(dnbi)的功能:,Albumin(白蛋白):Forming colloid osmotic pressure(形成胶体渗透压)Globulin(球蛋白):Taking part in body immunity and transport of some substances(参与机体免疫和某些物质的运输(ynsh)Fibrinogen(纤维蛋白原):Taking part in clotting(参与凝血),第四页,共三十三页。,(2)Blood cell 血细胞,Erythrocyte,or red blood cell,RBC(红细胞),modality(形态):Function:Transporting O2 and CO2 Cushioning pH(缓冲PH)Quantity:Male:5 1012/L Female:4.2 1012/L Lifespan and produce(寿命(shumng)与生成),第五页,共三十三页。,Neural regulation神经调节(tioji):Sympathetic nerve(+)交感神经(+)Humoral regulation体液调节:Erythropoietin,EPO(促红细胞生成素)Accelerating system ahaemale progenitor of later period to differentiate and propagate.促进晚期红系祖细胞的分化、增殖 Accelerating young RBC to differentiate and propagate.加速幼RBC增殖,分化,第六页,共三十三页。,CFU-E 红系前体细胞red progenitor RBC,Blood oxygen partial pressure血氧分压,肾 主Kidney(main)肝 次Liver(secondary),第七页,共三十三页。,Androgen雄性激素 Stimulating bone marrow,promoting RBC 直接刺激骨髓,促进RBC生成 Promoting kidney to produce EPO 促进肾脏(shnzng)产生EPO,第八页,共三十三页。,Leukocyte,or white blood cell,WBC(白细胞)basophoil(嗜碱性(jin xn)颗粒细胞)0-1%granular cell eosinophil(嗜酸性颗粒细胞)1-4%Leukocyte 颗粒细胞 neutrophil(嗜中性颗粒细胞)50-70%白细胞 lymphocyte(淋巴细胞)20-40%no granular cell 无颗粒细胞 monocyte(单核细胞)1-7%Quantity:4-10 109/L,第九页,共三十三页。,Function of basophil 嗜碱性(jin xn)粒细胞功能:,Releasing heparin stimulating decomposition of blood fat 释放肝素 激活(j hu)血脂分解 Releasing histamine hypersensitive response 释放组织胺 过敏反应 Releasing eosinophile chemotactic factor A,限制(xinzh),(释放嗜酸性粒细胞趋化因子A),第十页,共三十三页。,Function of eosinophil 嗜酸性(sun xn)粒细胞功能:,Restricting hypersensitive response caused by basophil and fat cells.(限制嗜碱性粒细胞和肥大细胞引起的过敏反应.)Taking part in immune response for worm.(参与对蠕虫的免疫(miny)反应.),第十一页,共三十三页。,Function of neutrophil 中性(zhngxng)粒细胞功能:,Englobing and killing bacteria(吞噬、杀灭细菌)Clearing away immunity complex and necrosis tissue(清除免疫复合物及坏死(hui s)组织),第十二页,共三十三页。,Lymphocyte(淋巴细胞),T cell:Function of cell-mediated immunity 具有细胞免疫功能 Function of regulating other immunocyte 调节其他免疫细胞的功能B cell:Taking part in humoral immunity.参与体液免疫NK cell:Killing and wounding tumor cell.杀伤(shshng)肿瘤细胞,第十三页,共三十三页。,Mononuclear macrophage单核-巨噬细胞,Englobing and killing pathogenic microorganism in cell.(吞噬、消灭细胞内致病微生物)Releasing many kinds of cytotoxic,interferon(INF),interleukin(IL)and taking part in body defense.(释放多种细胞毒、干扰素和白细胞介素,参与机体防卫机制)Producing factors of promoting endothelial cell(内皮细胞)and smooth muscle cell.(产生促进(cjn)内皮细胞和平滑肌细胞的因子),第十四页,共三十三页。,Platelet or thrombocyte(血小板),Quantity:100-300(109个/L)Function:Keeping vessel wall completeness.维护血管壁完整性 Taking part in physiological hemostasis 参与(cny)生理止血(见后),第十五页,共三十三页。,Section 2 Function of blood 血液(xuy)的机能,1.Function of carrying and integrating(运载作用(zuyng)和联系作用(zuyng)Water,Red blood cells,plasma protein,第十六页,共三十三页。,2.Keeping stability of internal environment(维持(wich)内环境的稳定)HL+Na HCO3 NaL+H2CO3H2CO3 H2O+CO2 Stimulus respiration OH-+H2CO3 HCO3-+H2O,第十七页,共三十三页。,3.Function of defense and protection(防御和保护(boh)作用),neutrophil 中性(zhngxng)粒细胞Phagocytosis 吞噬作用 monocyte 单核细胞 cellular immunity 细胞免疫 TImmunity humoral immunity 体液免疫 B,第十八页,共三十三页。,Section 3 Blood volume,Blood Transfusion and Blood Groups 血量 输血(sh xu)和血型,1.Blood volume(血量)Blood volume 血量:It is total of blood in body,7-8%of body weight,第十九页,共三十三页。,Preserving blood volume 血量的维持:Less blood loss 少量失血,20%,Clinical symptom(临床症状)The most blood loss 大失血 30%,Blood transfusion(输血),第二十页,共三十三页。,Recovery blood volume 血量的恢复(huf):Water,saltplasma protein blood cell 水,盐血浆蛋白血细胞,第二十一页,共三十三页。,2.Blood group(血型(xuxng),Agglutination(红细胞凝集):It is the a bunch of irregular cell agglutinates which is agglutinated by Red blood cell.(红细胞彼此凝集成一簇簇不规则的细胞团.)Rouleaux formation(红细胞叠连):The red blood cells which are attach hollow side to each other overlapped to accelerate blood sank.(红细胞彼此以凹面相贴,重叠在一起(yq)使血沉加速.),第二十二页,共三十三页。,Agglutinogen of red blood cells agglutinin of blood serum blood group 红细胞上的凝集原 血清(xuqng)中的凝集素 血型 A B A B A B AB AB AB O,第二十三页,共三十三页。,3.Principle of blood transfusion(输血(sh xu)原则),Red blood cell Red blood cell Blood donor Blood recipient 供血者 受血者 Blood serum血清(xuqng)Blood serum血清 Cross-match test(交叉配血实验),主侧,次侧,第二十四页,共三十三页。,Section4 Blood Coagulation and Fibrillarin Dissolution 血液(xuy)凝固和纤维蛋白溶解,1.Hemostasis mechanism of small blood vessel impairment小血管(xugun)损伤的生理止血机制,Hemostasis生理止血:It is a kind of phenomena that small blood vessel is impaired normally and after several minutes bleeding was stopped naturally.正常时小血管损伤(snshng)出血,经数分钟后出血自然停止的现象。Process:Small blood vessel contraction小血管收缩 Platelet thrombus血小板血栓 hematopexis血凝Fig 6-7,第二十五页,共三十三页。,2.Blood coagulation(血液(xuy)凝固)