Lecture 8 2008

Lecture 8 2008 - Cardiovascular System Chapter 18 I. Heart:...

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1 Cardiovascular System Dr. Phelps Chapter 18 Lecture 8 I. Heart: function, location, coverings, and layers II. Blood flow through the heart, and relationship to heart valves III. Anatomical features of the atria, ventricles, and valves IV. Coronary circulation V. Conduction system and neural innervation of the heart VI. Developmental remnants I. Heart: function, location, coverings, and layers A. Function 1. Closed loop system - 2 receiving and 2 pumping chambers arteries = veins = 2. Right side of the heart pumps blood to lungs for gas exchange in pulmonary circuit 3 . Left side of heart pumps blood to body for oxygen and nutrient supply in systemic circulation B. Location of heart in thorax - Fig. 18.2 1. Heart and root of great vessels in mediastinum = 2. Anterior access to heart
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2 C. Covering of heart = pericardium - Fig. 18.3 1. Fibrous pericardium Function of fibrous pericardium = 2. Serous pericardium Parietal layer = parietal pericardium Visceral layer = visceral pericardium or epicardium Function of serous pericardium and serous fluid = D. Three layers of the heart wall - outer to inner – Fig. 18.3 1. Epicardium (visceral layer of pericardium) = 2. Myocardium = 3. Endocardium = E. Ventricular myocardium
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This note was uploaded on 02/03/2010 for the course NEUROSCI 101A taught by Professor Scheibell during the Winter '10 term at UCLA.

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Lecture 8 2008 - Cardiovascular System Chapter 18 I. Heart:...

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