HEART, ANATOMY - stock photo
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Model of the intern anatomy of the heart of an adult human body (anterior view of a frontal section). The heart contains four cavities: two atriums in its upper part, and two ventricles in its lower part. Both ventricles are separated by a thick muscle wall, the interventricular septum. The superior vena cava (in royal blue, in the background) brings the deoxygenated blood to the right atrium. This dark blood goes through the right ventricle and is then propeled to the lungs via the pulmonary trunk (in royal blue, in the foreground). The blood oxygenated by lungs is next sent back to the left half of the heart and then to the whole body through the arch of aorta (in red). The tricuspid (on the right) and mitral (on the left) valves (in white) prevent the blood in the ventricles from flowing back into the atriums. These valves are bound to the papillary muscles, protusions lying at each ventricle basis, through tendinous ropes: the chordae tendinae. The pulmonary valve (in white), located inside the pulmonary trunk, allows the ejection of the dark blood out of the heart. On the right of the picture, the structure of the heart intern wall is well visible. At the ventricle level, it is very thick and covered by many muscle protusions, the trabeculae carnae, whereas the atrium wall is thin and smooth.


3630 x 2365 pixels

Print Size @ 300 dpi
12 x 8 inches / 31 x 20 cm

Model No you may not need it
Property Yes
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