《医学英语》课程教学资源（PPT课件）Unit 5 The Kidney and Its Working Unit

The Kidney and Its Working UnitUnit5肾脏和它的功能单位

The Kidney and Its Working Unit Unit 5 肾脏和它的功能单位

AnInterestingPhenomenon

An Interesting Phenomenon

the ChemicalGutBlood.KidneyUrineHowtoProcessBodyFluid

How to Process Body Fluid • Gut • Blood • Kidney the Chemical • Urine

no+比较级than..这类结构的实际意思是对待比较act gnota较中an实比愿形容词或副词的反义词使用Eg:Thebayding ps拍意思Feiad一样不好YHeisnotallerthanme.astntbwa样不快举优不如我的His English is not Botonanina?assho茶HisEng品湾的样好（即一样差）ocleverYou arsno ohisiinaheea ?不始他作noricYouarenomorecarhga你样不荐释心)bedActually,thechemicalisactedon nofasterthananyothercompoundThekeytoakidney'srapidfunctioning liesinitscomplicatedinternalstructureand in the efficient plumbingsystemof which it isa part

Actually, the chemical is acted on no faster than any other compound. The key to a kidney's rapid functioning lies in its complicated internal structure and in the efficient plumbing system of which it is a part. no+比较级+than.这类结构的实际意思是对待比较 的两个对象进行否定，相当于该原级形容词或副词的反义词使用 as.as结构的意思。 no better than = as bad as 与.一样不好 no faster than = as slow as 与.一样不快 no taller than = as short as 与.一样不高 He is no cleverer than her. 他与她一样不聪明(即一样愚)。 He’s no richer than a beggar. 他同乞丐一样穷，即穷如乞丐。 act on: carry further or advance. 对.起作用 Eg: The bowling ball has a greater mass, so there's more stuff for gravity to act on. 与not+比较级+than的区别 Not+比较级+than表示“不比.更”。如： He is not taller than me. 他不如我高。 He is no taller than me. 他同我一样不高。(即一样矮) His English is not better than mine. 他的英语不如我的英语好。 His English is no better than mine. 他的英语同我的英语一样不好。(即一样差) You are not more careful than he is. 你不如他仔细。 You are no more careful than he is. 你和他一样不仔细。(即一样粗心)

The Kidneys and Other Organs of the ExcretorySystem1.The ExcretorySystemTwo Kidneys臀藏Twin branches main bloodvessel輪尿管UreterBladder膀胱Urethra尿道圖6-4人體的泌尿器官

The Kidneys and Other Organs of the Excretory System 1.The Excretory System Two Kidneys Twin branches main blood vessel Ureter Bladder Urethra

twoplump,darkredandcrescent-shapedTheKidneys2.PhysiologicalFunctionTo carryoutits vital blood-filtering activitesTo maintainthe balanceof the water,electrolyteandacid-base

The Kidneys • 2.Physiological Function To carry out its vital blood-filtering activites. To maintain the balance of the water, electrolyte and acid-base. two plump, dark red and crescent-shaped

The Structure andthe Process ofthe ExcretorySystemrenal arteriesrenal veinsureterbladderurethraDXY.CN

The Structure and the Process of the Excretory System • renal arteries • renal veins • ureter • bladder • urethra

TheKidneys皮质肾胜血管·3.AnatomicalFeatureson简质renalcortexrenalmedulla动脉renal pelvis静脉肾孟绘尿管被囊肾脏的外层

• 3.Anatomical Features renal cortex renal medulla renal pelvis The Kidneys

The KidneysThree BasicFiltrationReaborptionProcessesSecretion

Reaborption Secretion Filtration The Kidneys Three Basic Processes

The Nephron:Working Unit of the Kidney血管球近费小骨小动脉Da兔小管tubul肾小体Renoo入球小欢好Alla出球小肤EffereUa拌机酱静脉arteneshao集合管酱小熏Coliectingdut酷拌细技Thinsegmertof骨动脉崇合管野小管用肾单位示意围肾单位Ahumankidneycontainsroughly1millionnephrons

The Nephron: Working Unit of the Kidney A human kidney contains roughly 1 million nephrons