Red blood cells and platelets. Coloured scanning electron micrograph (SEM) of human erythrocytes (red blood cells,red) and a platelet aggregate (upper centre). Platelets are fragments of white blood cells. When blood clots,red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige),which is formed in response to chemicals secreted by the platelets | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / AMI Images |
Bildgröße: | 4850 px × 3605 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |