Elementary anatomy and physiology : for colleges, academies, and other schools . elementaryanato00hitc Year: 1869 Semi-lunar Valves of the Heart closed. Fig. 207. Semi-lnnar Valves of the Aorta laid open, rr, Corpus Arantii on the Free Border. &, Attached Border, c, Orifices of Coronary Arteries. the Pericardium (meaning about the heart). This contains a small quantity of a fluid like water, so that the heart actually floats in a liquid, and does not rest firmly upon any hard sur- face. The pericardium not only exists as a loose sac about the heart, but it is reflected upon it where the ve
Elementary anatomy and physiology : for colleges, academies, and other schools . elementaryanato00hitc Year: 1869 Semi-lunar Valves of the Heart closed. Fig. 207. Semi-lnnar Valves of the Aorta laid open, rr, Corpus Arantii on the Free Border. &, Attached Border, c, Orifices of Coronary Arteries. the Pericardium (meaning about the heart). This contains a small quantity of a fluid like water, so that the heart actually floats in a liquid, and does not rest firmly upon any hard sur- face. The pericardium not only exists as a loose sac about the heart, but it is reflected upon it where the vessels are given off; covering it in the same manner as the fasciae cover and protect the muscles. 370. Arteries—Their Coats .—The Arteries are tough and cylindrical tubes which convey the blood from the heart to the different parts of the body. They are made up of three mem- Describe the Semi-lunar Valves and their location. 369. What is the sac called that surrounds the heart? What fluid does it contain? How much of it is there? Is the pericardium attached at all to the heart? 370. Of how many coats are the arteries com- posed ?
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