《系统解剖学 Systematic Anatomy》课程教学课件（PPT英文讲稿）Part III Angiology_Chapter 1 Cardiovascular System_Section 1 Heart_3.1 Angiology+heart

Angiology, heart

Angiology, heart

I.Function.Toremainthephvsico-chemical propertiesandcompositionsofthemicro-environmentof thecellbytheoperationa complexseriesofhomeostaticcontrolmechanism

I. Function • To remain the physico-chemical properties and compositions of the micro-environment of the cell by the operation a complex series of homeostatic control mechanism

Il.FormationCardiovascular systemLymphatic system

Cardiovascular system Lymphatic system II. Formation

The cardiovascular systemArteryHeartmaintain theflow of bloodcarry blood awav from the heartVeinCapillarycarry blood back to the heartareaofexchange

The cardiovascular system Heart maintain the flow of blood Artery carry blood away from the heart Capillary area of exchange Vein carry blood back to the heart

II.Blood circulationISystemiccirculationLeftventricleAorta&itsbranchesCapillaries of bodySuperior&inferiorvena cavaRightatriumSupplythebodywithblood containing02&freshnutrition

Ⅲ. Blood circulation Ⅰ）Systemic circulation Left ventricle Aorta & its branches Capillaries of body Superior & inferior vena cava Right atrium • Supply the body with blood containing O2 & fresh nutrition

） PulmonarycirculationRightventriclePulmonaryACapillaries of lungPulmonaryVLeftatriumsever as a gas-exchange course

Ⅱ）Pulmonary circulation Right ventricle Pulmonary A. Capillaries of lung Pulmonary V. Left atrium • sever as a gas-exchange course

The heartI.ThelocationIl.The external featuresIll. The cardiac chambersIV.The structureV.The conduction systemVI.ThevesselsVll.Pericardium

The heart I. The location VI. The vessels V. The conduction system IV. The structure VII. Pericardium III. The cardiac chambers II. The external features

I.The location.middlemediastinum,betweentwo lungs,enclosedinthepericardium·Anteriorly:sternum,2nd→6th costal cartilages.Posteriorly:5th→8ththoracicV..1/3 of it on the right of themedian sagittal plane.2/3ofiton.theleftofthemedianplaneSternalangleSuperiorIVmediastinum/posteriormediastinumanseeoreMiddlemediastinum

I. The location • middle mediastinum, between two lungs, enclosed in the pericardium • Anteriorly: sternum, 2nd → 6th costal cartilages • Posteriorly: 5th → 8th thoracic V. • 1/3 of it on the right of the median sagittal plane • 2/3 of it on the left of the median plane

ll.Theexternal featuresconicalinshape1apex(cardiacapex)formedbyleftventricledirecteddownwards.forwardsandtotheleftLeftvenfricle

II. The external features • conical in shape • formed by left ventricle • directed downwards, forwards and to the left 1 apex （cardiac apex） Left ventricle

1base(cardiacbase?formed by atria (chiefly byleft atrium)directedbackward,upward,andto therightSuperior vena cavaLeftatriumRightatriumPulmonaryyInferiorvena cava

• formed by atria ( chiefly by left atrium) • directed backward, upward, and to the right 1 base （cardiac base） Left atrium Right atrium Superior vena cava Pulmonary V. Inferior vena cava