Illustration of a cross section of a blood vessel. At top is a dilated blood vessel and at bottom is a constricted vessel. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Shockey, Gwen |
Taille de l’image : | 2363 px × 3560 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |