Normal heart valves, systole, illustration. Top view of heart in systole showing open aortic and pulmonary valves, and closed tricuspid and mitral valves . | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sue Seif |
Taille de l’image : | 4440 px × 3947 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |