The heart Gregory Shen(沈啸),MD Department of physiology Room 516, Research Building C School of Medicine, Zijingang Campus Email:shen@zju.edu.cn
The Heart Gregory Shen (沈啸), MD Department of Physiology Room 516, Research Building C School of Medicine, Zijingang Campus Email: shenx@zju.edu.cn 1
Functions of the heart umping(泵血) Endocrine(内分泌) Atrial natriuretic peptide(ANP) Other bioactivators Atrial di stenson Sympathetic sti mul ation Angiotensin Il ANp NEP Degradation ↓ Aldosterone 」svR 」c ↓ Renin Arterial Blood Pressureˇ Volume Natriuresis- D Abbreviations: ANP, atrial natriuretic peptide: NEP, neutral peptidase: GFR, glomerular filtration rate CVP, central venous pressure co, cardiac output; SVR, systemic vascular resistance
Functions of the heart • Pumping（泵血） • Endocrine（内分泌） – Atrial natriuretic peptide (ANP) – Other bioactivators
Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display Arteries to head and arms ight p ry artery Right pulmonary veins Left pulmonary arte Superior vena cava Left pulmonary atrial septum Pulmonary trunk Left atrium Left(bicuspid) AV valve Right atrium Aortic semilunar valve Right AV (tricuspid) valve Left ventricle Papillary muscle Inferior vena cava Interventricular septum Chordae tendineae Myocardium Right ventricle Epicardium Pericardial fluid/space Pulmonary Pericardium semilunar valve
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Copyright@ The McGraw-Hill Companies, Inc. Permission required for reproduction or display (a Pulmonary semilunar valve Valve partly open arteries Aortic semilunar valve Left AV(bicuspid)- valve Right AV (tricuspid) Valve almost completely close From R Carola. J P, Harley, and C, R. Noback, Human Anatomy and Physiology, McGraw Hill, New York, 1990(photos by Dr. Wallace McAlpine). Valves of the heart
Valves of the heart 4
Pulmonary trunk Pulmonary arteries The general route of the blood Capillaries of lungs hrough the body is shown Pulmonary veins including passage through the heart (colored box Pulmonary valve Left atrium To Body Right ventricle Left AV valve From Body X Right AV valve Left ventricle Right atrium Aortic valve >To L To Lung From From→ Lung Aorta Lung Arteries Arterioles Capillaries engles From bod Veins Vena cavae
The general route of the blood through the body is shown, including passage through the heart (colored box). 5