Cytotoxic T lymphocyte killing influenza-infected cell. Lymphocytes can learn to recognize cells that are infected with viruses or that are cancerous. They attack and kill these cells. The smaller cell is the T cell, the larger one the infected cell. T-cells are the ones that drop in number in people with AIDS. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Cells Alive! |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Länge: | 37 Sekunden |
Seitenverhältnis: | 4:3 |
Restrictions: | - |