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. | |
Licence : | Droits gérés |
Crédit : | Science Photo Library / Cells Alive! |
Model Release : | Non requis |
Property release : | Non requis |
Durée : | 37 Secondes |
Aspect ratio : | 4/3 |
Restrictions : | - |