White blood cells and platelets
Numéro d’image : 11869688
| White blood cells & platelets. Coloured scanning electron micrograph (SEM) of a group of white blood cells (leucocytes) and activated platelets in human blood. The larger rounded white blood cells (coloured pink,light blue) play a role in the body's immune response. At centre and far left are smaller platelets (thrombocytes,dark blue). Platelets are non-nucleated cells found in large numbers in the blood. When inactive they are round or oval discs; activated they have dendritic processes,or pseudopodia (as seen here),and they may become star-shaped. When activated,platelets clump together and are involved in blood clotting. Magnification: unknown | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Gschmeissner, Steve |
| Taille de l’image : | 2388 px × 1782 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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