Human heart opened to show the aortic valve. The two orifices above the semilunar leaflets (flaps) are the openings of coronary arteries. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / JOSE CALVO |
Taille de l’image : | 3840 px × 2561 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |