Fluorescent light micrograph of a normal lymph node showing B cells (yellow), CD4+ T cells (blue) and cells producing the transcription factor T-bet (magenta). B cells are a type of white blood cells that produce antibodies. CD4+ T cells help activate other immune cells by releasing cytokines. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NATIONAL INSTITUTES OF HEALTH |
Taille de l’image : | 4218 px × 4218 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |