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This chapter outlines the anatomy, physiology, and pathophysiology of the heart, linking the micro- and macroscopic structure of cardiac muscle fiber to its function during contraction and relaxation. It also presents quantitative measures of heart anatomy and physiology, such as sphericity index, twisting, and untwisting of the myocardial fibers.
The Muscles of the Heart •The heart has specific muscles that cause the heart to contract and open and close the heart values. Some of these muscles are: •Trabeculae Carneae –Irregular muscles of the ventricles •Chordae Tendineae –Small cords that connect the heart values to the papillary muscles
4 Ιουν 2018 · Torrent Guasp’s helical ventricular myocardial band (HVMB) defines this anatomy and its structure, and explains why the heart’s six dynamic actions of narrowing, shortening, lengthening,...
Describe the internal and external anatomy of the heart; Identify the tissue layers of the heart; Relate the structure of the heart to its function as a pump; Compare systemic circulation to pulmonary circulation; Identify the veins and arteries of the coronary circulation system
Learn about the heart's anatomy, function and arrhythmias with interactive 3D visualizations. This document is a 3D PDF file that can be manipulated by users to personalize their reading experience.
A comprehensive article on the structure and function of the heart, its chambers, valves, circulation and conduction system. Learn about the cardiac cycle, cardiac examination and coronary circulation with diagrams and key points.
The cardiovascular system consists of circuits: • Pulmonary circuit provides blood flow between the heart and lungs • Systemic circuit allows blood to flow to and from the rest of the body • Coronary circuit provides blood to the heart The heart valves ensure that blood flows in one direction through the system