Immune system and bacteria,artwork

Numéro d’image : 11688897
Immune system and bacteria,artwork
Immune response to bacteria,artwork. Invading bacteria (yellow) are phagocytosed (engulfed) by macrophages,a type of white blood cell. Fragments of protein (antigen) from the bacteria are displayed on the macrophage's surface. The antigen is recognised by helper T lymphocytes,which secrete chemicals such as cytokines (pink dots) to activate other immune cells,including B lymphocytes. The B lymphocytes differentiate into plasma cells,which produce large numbers of antibodies (orange) that recognise the antigen. The antibodies either neutralise the pathogen or flag it for destruction by other cells
Licence : Droits gérés
Crédit: Science Photo Library / Dalhoff, Henning
Taille de l’image : 6099 px × 2896 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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