医学英语短文浏览专业短篇浏览.docx
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1、医学英语短文浏览专业短篇浏览医学英语短文浏览专业短篇浏览多浏览一些医学的短篇英语浏览,对于医科专业的学习提高会有所帮助,今天学习啦我在这里为大家共享一些医学英语短文浏览,欢迎大家浏览!医学英语短文浏览:肝的微细构造Whenviewedunderamicroscope,theliverisseenaslargenetworkofunitscalledhepaticlobules.Thehepaticlobuleisverysmallandlookslikeasix-sidedcylinder.Thelobuleitselfissurroundedbyconnectivetissueandhas5
2、to7clustersofvesselsarounditsedges.Thesevesselsincludeabranchoftheportalvein,abranchofthehepaticartery,andabileduct.Acentralveinrunsthroughthemiddleofthelobeandissurroundedbycordsoflivercellsthatradiateoutinalldirections.Betweenthesecordsarewidethinwalledbloodvesselscalledsinusoids.Alloftheblooddrai
3、nsintoahepaticveinwhichthencirculatesthroughoutthebody.在显微镜下,肝脏是由肝小叶为单位的网状构造。肝小叶非常小,是六棱柱体。小叶的周围是结缔组织,边缘围绕着5-7串脉管,有门静脉、肝动脉和胆小管。小叶的中央由中央静脉穿过,周围被向四周呈放射状排列的肝细胞索包围。在索之间是扩大了的毛细血管叫血窦。所有的血液都流入肝静脉介入体循环。医学英语短文浏览:器官移植Normalhumancellscanalsobecomeforeigninvaders.Whenanorgansuchasaliveristransplant(moved)formone
4、persontoanother,cellsfromthetransplantedorganareseenasenemyinvadersbytheimmunesystemofthepersonreceivingtheorgan.Thecellsofthetransplantedorgansetoffanimmunologicalattack.KillerTcellsandantibodiesrushtothesite,causingorganrejection,andtheorgandies.Physicianssolvethisprobleminpartwithmedicinesthatsup
5、press,orslowdown,theimmunesystem.正常的人体细胞可以能成为外来的入侵者,例如,一个人的肝脏器官移植到另一个人的身体内,接受者的免疫系统视来自被移植器官的细胞为入侵的敌人。被移植器官的细胞将发动一场免疫攻势,杀伤T细胞和抗体就会冲到现场,引起排挤反响,而且这个被移植的器官就会死亡。医生们能够使用抑制或减缓免疫系统的药物部分地解决这一难题。医学英语短文浏览:外籍护士离去英医院陷人员危机HospitalsinLondoncouldfaceafuturestaffingcrisisasoverseasnursesconsiderheadingtoworkelsewher
6、e,astudyhasrevealed.ResearchbytheRoyalCollegeofNursing(RCN)andtheKingsFundthink-tankshowedthatfouroutof10overseasnursesinthecapitaladmittedthattheywerethinkingaboutleavingtheNHStotakeupjobsinothercountries.Thestudyalsofoundthattwo-thirdsofFilipinonursesworkinginLondon-oneofthelargestoverseasnursings
7、taffgroups-wereconsideringquittingtheUKtoworkintheUS.ReportauthorProfJamesBuchansaid:TheNHSandindependenthealthcaresectorsrelyheavilyonoverseasnursestodeliverhealthcare-withoutthem,partsofthehealthservicewouldcollapse.TheyperformacrucialandvaluablerolebutoursurveyshowstheNHSisplayingahighriskgamebyr
8、elyingontheseoverseasstafftocommitlongtermtotheNHS.ManyofthesenursesareconsideringleavingtheNHSandthatwouldposerealproblems.ItscleartheNHSneedstoupitseffortstogrowitsownworkforcetoensurewehavetherightnumberofnursesforthefuture.Thestudyinvolvedalmost400nursesfrommorethan30differentcountrieswhowereals
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