Pulmonary valve (top),coloured scanning electron micrograph (SEM). The pulmonary valve prevents the back flow of blood from the pulmonary artery to the right ventricle | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 6303 px × 2773 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |