HEART, ANATOMY
Model of the superficial anatomy of the heart of an adult human body (posterior oblique view). The heart contains four cavities: two atriums in its upper part, and two ventricles in its lower part. The ventricles (in light orange) have superficial grooves (the sulci, in amber yellow), that contains fat and the coronary circulation, feeding the heart muscle. At the boundary between the atriums and the ventricles, the coronary sulcus receives the coronary sinus (left half of the heart) and the small cardiac vein (right half of the heart, in royal blue); it also contains the right coronary artery (in red). The left ventricle surface is irrigated by the posterior vein of left ventricle (in royal blue) and a posterior left ventricular branch, coming from the circumflex branch of left coronary artery (in red). In the posterior interventricular sulcus, which marks the boundary between both ventricles, lie the middle cardiac vein (in royal blue) and the posterior interventricular branch of right coronary artery (in red). Through the inferior vena cava, the right atrium receives the deoxygenated blood coming from the lower part of the body. The blood oxygenated by the lungs is sent back to the left atrium via four pulmonary veins, of which two are visible here: the right and left inferior pulmonary veins. The upper aorta (in red), trachea (cartilaginous rings in light blue) and esophagus (in reddish brown) segments are visible on the left part of the picture.
Size: 3630px × 2365px
Photo credit: © GOUNOT/3B SCIENTIFIC / BSIP / Alamy / Afripics
License: Licensed
Model Released: No
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