White blood cells and platelets,SEM
Numéro d’image : 11679324
| White blood cells and platelets. Coloured scanning electron micrograph (SEM) of white blood cells and aggregating platelets (red). Platelets are fragments of white blood cells that under normal circumstances are small and biconcave in form. However,if there is a break in the surface of a blood vessel the platelets come into contact with molecules they are not used to and become activated. They become amorphous in form,with long projections (pseudopodia) that help them adhere to other cells and each other,forming a clot. Magnification: x3000 when printed at 10 centimetres wide | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Gschmeissner, Steve |
| Taille de l’image : | 4550 px × 3919 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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