Heart valve surface,coloured scanning electron micrograph (SEM). Heart valves help regulate the flow of blood between heart chambers,and are smooth,thin flaps of tissue. This is the surface of the tricuspid valve,which controls the flow of blood between the right atrium and the right ventricle | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 4875 px × 3638 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |