Heart valves,artwork

Numéro d’image : 11609043
Heart valves,artwork
Heart valves. Cutaway artwork of the inside of the heart,showing the various valves. The first two artworks (left and centre) show the atrioventricular valves between the heart's atria (top) and ventricles (bottom). These valves are open at left and closed at centre. The one on the left in these artworks is the tricupsid valve,the one on the right is the mitral valve. The flaps are attached to the ventricle walls by string-like tendons (heart strings). In the artwork at right,the pulmonary valve (left,pulmonary artery) and aortic valve (right,aorta) are shown. All these valves prevent backflow of blood during various contraction cycles
Licence : Droits gérés
Crédit: Science Photo Library / Dalhoff, Henning
Taille de l’image : 5672 px × 3106 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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