Heart valve, light micrograph. The heart has four valves separating the atria from the ventricles, or the ventricles from a blood vessel. The axis is a fibrous connective tissue with many collagen fibre bundles (red). The luminal surface is lined by endocardium. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / JOSE CALVO |
Taille de l’image : | 3840 px × 3072 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |