Coloured SEM of an activated blood platelet
Numéro d’image : 11869758
| Activated platelet. Coloured scanning electron micrograph (SEM) of an activated blood platelet. Platelet cells (thrombocytes) are formed in the bone marrow and circulate in the blood in large numbers. In an unactivated state they are round/oval,whereas this activated platelet has developed extensions from the cell wall known as pseudopodia. Platelets function in two ways: they plug defects in the walls of blood vessels,and are involved in clotting. They also release serotonin which constricts blood vessels. Magnification unknown | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Gschmeissner, Steve |
| Taille de l’image : | 3068 px × 2400 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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