Scanning electron micrograph (SEM) of the surface of a heart valve. This valve is from a rat heart. Heart valves help regulate the flow of blood between heart chambers,and are smooth,thin flaps of tissue | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Phillips, David M. |
Taille de l’image : | 4217 px × 3492 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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