Heart
Front view of the heart and great vessels. The pulmonary artery has been cut short close to its origin. Labels: 1, right ventricle; 2, left ventricle; 3, root of the pulmonary artery; 4, 4’, arch of the aorta; 4’’, the descending thoracic aorta; 5, part of the right auricle; 6, part of the left auricle; 7, 7’, innominate veins joining to form the vena cava superior; 8, inferior vena cava; 9, one of the large hepatic veins; X, placed in the right auriculo-ventricular groove, points to the right or posterior coronary artery; X, X, placed in the anterior interventricular groove, indicate the left or anterior coronary artery.
Keywords
atrium, heart, ventricle, auricle, aorta, "vena cava", "great vessels", "pulmonary artery", "coronary artery"Source
Martin, H. Newell The Human Body: A Text-book of Anatomy, Physiology and Hygiene (New York: Henry Holt and Company, 1900) 167
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