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Structure of the Heart.

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Presentation on theme: "Structure of the Heart."— Presentation transcript:

1 Structure of the Heart

2 Fibrous pericardium Outermost layer

3 Parietal pericardium inside lining of outer covering

4 Pericardial cavity Space in between

5 Epicardium (visceral pericardium)
Directly covering the heart

6 Myocardium (cardiac muscle)

7 Intercalated disc*

8 Musculi pectinate

9 Papillary muscle Muscle at the base of the chordae tendineae

10 Chordae tendineae Heart strings

11 Trabeculae carneae Fold of muscle in the ventricle

12 Moderator band

13 Endocardium Inner lining of the heart

14 Ligamentum arteriosum

15 Right Atrium

16 Right auricle

17 Superior vena cava

18 Inferior vena cava

19 Coronary sinus

20 Interatrial septum

21 Tricuspid valve

22 Rt. ventricle

23 Interventricular septum

24 Pulmonary (semilunar) valve
Separates the right ventricle and the pulmonary artery

25 Pulmonary trunk

26 Pulmonary arteries (L & R )

27 Left atrium

28 Left auricle

29 Pulmonary veins (R & L) – posterior view

30 Mitral (bicuspid) valve

31 Left ventricle

32 Aortic (semilunar) Valve
Separates the left ventricle and the aorta Located behind the Mitral valve

33 Aorta

34 Systemic Circulation Supplies oxygenated blood to all of the tissues located throughout the body, with the exception of the heart and lungs.

35 Cardiac circulation

36 Left coronary artery (only seen if auricle is open)

37 Circumflex artery

38 Anterior interventricular artery

39 Right coronary artery

40 Marginal artery

41 Posterior interventricular artery

42 Great cardiac vein

43 Middle cardiac vein

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