Macrophage attacking a foreign body. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (round,left) engulfing a Leishmania mexicana protozoan parasite (long,right). This process is called phagocytosis. Macrophages are cells of the body's immune system. They phagocytose and destroy pathogens,dead cells and cellular debris. Leishmania mexicana is a single-celled organism that causes a form of the disease known as leishmeniasis | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4900 px × 3675 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |