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3 lis 2023 · The heart is a muscular organ that pumps blood around the body by circulating it through the circulatory/vascular system. It is found in the middle mediastinum, wrapped in a two-layered serous sac called the pericardium. The heart is shaped as a quadrangular pyramid, and orientated as if the pyramid has fallen onto one of its sides so that its ...
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- Small Cardiac Veins
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- Pulmonary Vein
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- Cardiac Plexus
Epicardium - the outer layer of the wall of the heart and is formed by the visceral layer of the serous pericardium. Myocardium - the muscular middle layer of the wall of the heart and has excitable tissue and the conducting system.
29 kwi 2024 · Pericardium. The heart is enclosed in a double-walled sac called the pericardium which is the outermost layer of the heart. Fibrous pericardium. The loosely fitting superficial part of this sac is referred to as the fibrous pericardium, which helps protect the heart and anchors it to surrounding structures such as the diaphragm and sternum.
3 lis 2023 · The pericardium is the membrane that encloses the heart and the roots of the major heart vessels, consisting of an outer fibrous layer (fibrous pericardium) and an inner double serous membrane layer (serous pericardium).
The muscular wall of the heart has three layers. The outermost layer is the epicardium (or visceral pericardium). The epicardium covers the heart, wraps around the roots of the great blood vessels, and adheres the heart wall to a protective sac.
See an expert-written answer! We have an expert-written solution to this problem! The chart includes three principal deflections above and below the baseline: the P wave, QRS complex, and the _____ wave.
Cardiac muscle tissue is found in the myocardium and is responsible for the contraction of the heart. Watch the video tutorial now.
