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autorhythmic and contractile; depolarization. autorhythmic; depolarization ... contractile myocardium. neurons. all myocardial cells. Student Presentations ...
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Video: Heart beats out of body Intrinsic Conduction System Fig 18.15 Autorhythmic fibers of the intrinsic conducting system Not the same as contractile fibers Are ...
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Location mediastinum, slightly to the left of center. Size about that of your fist ... 1% are 'autorhythmic' or 'pacemaker' cells. Cardiac Muscle Tissue ...
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... Contractile Cells Relaxation Ca2+ is transported back into the SR and Ca2+ is transported out of the cell by a facilitated Na+/Ca2 ... What causes stretching?
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Heart Physiology The Cardiovascular System Topic 3 Topic 4 Coronary Circulation Heart muscle requires constant blood supply Right and left coronary arteries arise ...
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Chapter 9 Muscular System: Histology and Physiology 9-* * * * * Insert Process Figure 9.14 with verbiage; Insert Animation Action Potentials and Muscle Contraction ...
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Smooth Muscle Characteristics Not striated Dense bodies instead of Z disks as in skeletal muscle Have noncontractile intermediate filaments Ca2+ required to initiate ...
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The chapter 9 power point released with Anatomy and Physiology by Rod R Seeley 6th edition.
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Marieb s Human Anatomy and Physiology Marieb w Hoehn Chapter 18 Heart Lecture 2 Part 3a: Cardiac Muscle Fibers, Cardiac conduction, the EKG
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Topics to Review Diffusion Skeletal muscle fiber (cell) anatomy Membrane potential and action potentials Action potential propagation Excitation-contraction coupling ...
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Physiology Cardiovascular System ECG PQ or PR segment Conduction through AV node and AV bundle Q wave Conduction through bundle branches R wave Conduction beginning ...
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Chapter 20 THE CARDIOVASCULAR SYSTEM: THE HEART Lecture Outline * Principles of Human Anatomy and Physiology, 11e Principles of Human Anatomy and Physiology, 11e ...
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Heart (11) contraction. Myocardial contractile cells: functional syncytium. RMP = -90 mV ... Mean electrical axis 120-90 = 30o. Heart. Cardiac cycle. Diastole: ...
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Chapter 8.2 Muscular System: Histology and Physiology * * Sliding Filament Model of Contraction - In the relaxed state, thin and thick filaments overlap only slightly ...
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Myofibrils and accessory muscle contraction proteins ~ to those in ... Auto-Immune Disease. Excessive alcohol consumption/exposure to toxic compounds. Pregnancy ...
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The Cardiovascular System The Heart and Related Blood Vessels
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Cardiac Physiology Cardiac Physiology - Anatomy Review Circulatory System Three basic components Heart Serves as pump that establishes the pressure gradient needed ...
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The Heart s External Anatomy & Conduction System * The cardiovascular center of the medulla oblongata connects to the SA & AV nodes directly via the vagus nerve ...
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... Anatomy & Physiology, Prentice Hall, ... Alberts et al., Essential Cell Biology, Garland Press, 1998 A skeletal muscle cell (muscle fiber) ...
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Heart Anatomy Approximately the size of your fist Location Superior surface of diaphragm Left of the midline Anterior to the vertebral column, posterior to the sternum
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Title: JANTUNG ANATOMI Author: Fakultas Kedokteran Last modified by: microsotf Created Date: 9/16/2004 5:52:05 AM Document presentation format: On-screen Show (4:3)
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Located in inferior portion of interatrial septum, above tricuspid valve ... Located at superior part of the interventricular septum ...
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Muscle Physiology:
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Electrical Properties of the Heart FRESHMEN YEAR PROGRAM MEDICAL FACULTY UNIVERSITAS PADJADJARAN Conducting System of the Heart Action potentials originate ...
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Running Problem: Heart Attack. Modulation of Heart Rate by ANS ... What happens with ANS when resting HR goes up (e.g. during exercise)? Force of contraction ...
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Muscle Physiology: Muscular System Functions Body movement Maintenance of posture Respiration Production of body heat Communication Constriction of organs and vessels ...
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Chapter 20: The Cardiovascular System THE HEART
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Pericardial cavity filled with pericardial fluid. Heart Wall. Epicardium ... Cardiac Contractile Cells. Striated. Uninucleate. Branching. Linked by intercalated disks ...
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Myosin binds to actin ... Stroke: Stored E in myosin heads used to pull actin filament toward M line. ADP released from myosin head. AP produces Twitch ...
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Title: MUSCLE AS A TISSUE Author: Sharon Simpson Last modified by: Emily.Potter Created Date: 10/14/1997 12:00:10 AM Document presentation format
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Human Anatomy, First Edition McKinley & O'Loughlin Chapter 10 Lecture Outline: Muscle Tissue and Organization Tissue and Organization Over 700 skeletal muscles have ...
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Cardiovascular System: The Heart Dr. Michael P. Gillespie Heart Sounds S3 is due to blood turbulence from rapid ventricular filling. S4 is due to blood turbulence ...
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Myocardial ischemia without symptoms. 1st sign is the heart attack. Types of Ischemia. Coronary artery bypass graft. Area of blockage. Heart muscle contraction ...
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Title: MUSCLE AS A TISSUE Author: Sharon Simpson Last modified by: KDoyle Created Date: 10/14/1997 12:00:10 AM Document presentation format: On-screen Show
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Cardiovascular System-The Heart Anatomy Chap. 21 The Cardiovascular system is comprised of the heart, blood vessels, & blood The heart acts as a pump , creating ...
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Ch 12 Heart and Circulatory System The Body s Transport System
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Cardiovascular System - Blood Chapter 17
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The Cardiovascular System: The Heart Lab 4 THE END The Cardiovascular System: The Heart Lab 4 THE END Cardiac Muscle Contraction Heart muscle: Is stimulated by nerves ...
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anatomy and physiology of the cardiovascular system chemical regulation of heart rate hormones: epinephrine and norepinephrine, throid hromone also increases heart ...
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Principles of Animal Physiology Circulatory Systems Introduction Components of circulatory systems Fluid - contains transport molecules and cells (blood or hemolymph)
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Lecture 10 Cardiology * * Fig. 7.7a * * * * * * * * * * Cardiac Cycle Coronary Circulation: Left coronary artery & Right coronary artery Branch off aorta above aortic ...
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CARDIOVASCULAR SYSTEM Dr.Vindya Rajakaruna MBBS (COLOMBO) Cuff applied 1 inch above crease at elbow Locate brachial artery Palpate radial pulse Inflate cuff until ...
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... six kinds of cells, the sinus, atrium, A-V node, ventricle, and ectopic focuses. ... Figure 5. Reentry in the atrium. Figure 6. Defibrillation ...
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Ventricular ejection phase opens semilunar valves. Phases of the Cardiac Cycle ... Backflow of blood in aorta and pulmonary trunk closes semilunar valves ...
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The Cardiovascular System: The Heart Anatomy * Chapter 18, Cardiovascular System * Congestive Heart Failure (CHF) Congestive heart failure (CHF) is caused by ...
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... L05-ECG-1: Normal electrocardiogram (including the names of all waves, intervals, ... origin of cardiac excitation. fires 60-100/min. AV node. conduction ...
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An internodal pathway connects the SA node to the atrioventricular ... Measurement: compared to force generated by column of mercury (mmHg) - sphygmomanometer ...
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Chapter 4 Tissues: The Living Fabric ... Essential Cell Biology, Garland Press, 1998 A skeletal muscle cell ... Anatomy & Physiology, Prentice Hall, 2001 Healing of ...
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blood vessels - circulate to all parts of body ... Starling's law of the heart: the more that the cardiac muscle is stretched, the ...
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Contracts as a unit. Has a long (250 ms) absolute refractory period. Cardiac muscle contraction is similar to skeletal ... Frank-Starling Law of the Heart ...
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Chapter 18 --The Heart Use the video clip, CH 18 Heart Anatomy for a review of the gross anatomy of the heart J.F. Thompson, Ph.D. & J.R. Schiller, Ph.D. & G.R. Pitts ...
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Chapter 18 --The Heart Use the video clip, CH 18 Heart Anatomy for a review of the gross anatomy of the heart J.F. Thompson, Ph.D. & J.R. Schiller, Ph.D. & G.R. Pitts ...
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Electrocardiogram. Einthoven's triangle. Three standard limb leads ... Electrocardiogram. Intervals show timing of cardiac cycle. P-P = one cardiac cycle ...
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Muscle can be stretched to its normal resting length ... Fascia. Nerve and blood vessels. Abundant. 9-7. Parts of a Muscle. 9-8. Structure of Actin and Myosin ...
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