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The heart is located in the thoracic cavity medial to the lungs and posterior to the sternum. On its superior end, the base of the heart is attached to the aorta, pulmonary arteries and veins, and the vena cava. The inferior tip of the heart, known as the apex, rests just superior to the diaphragm.
2 paź 2024 · Interactive atlas of the anatomy of the heart: fully labeled illustrations, 3D model, and dissection photographs
3 lis 2023 · The aortic semilunar valve is between the left ventricle and the opening of the aorta. It has three semilunar cusps/leaflets: left/left coronary, right/right coronary, and posterior/non-coronary. In clinical practice, the heart valves can be auscultated, usually by using a stethoscope.
3 sie 2023 · The surface projections of the heart represent points on the thoracic wall that map out the outline and valves of the heart. These include four borders (superior, right, inferior, left) and four valves (left atrioventricular, right atrioventricular, aortic, pulmonary). The main reference points used for the surface projections of the heart are ...
11 sty 2021 · Furthermore, the position of the cardiac septum at about 45º to the median brings the ‘right heart’ structures anterior to the ‘left heart’ structures (Figure 3A). The ventricles are situated inferior and leftward relative to their corresponding atria.
The videos and images on the Atlas of Human Cardiac Anatomy are free to download and use for educational purposes.
Where is the SA node – the pacemaker located? It is hard to see in human hearts. It is located a little to the left of the sulcus terminalis (faint line seen on the surface of the right atrium where the crista terminalis is on the inside) near the SVC opening.
