Dendritic immune cells,light micrograph

Numéro d’image : 11714404
Dendritic immune cells,light micrograph
Dendritic immune cells. Fluorescent deconvolution light micrograph of a section through a dermal duct from a sweat gland and dendritic cells (red) in the epidermis (outermost layer of skin). Dendritic cells are antigen-presenting cells (APCs,or accessory cells) of the mammalian immune system. APCs recognise and phagocytose (engulf and destroy) pathogens. They then present the digested parts (antigens) of the phagocytosed pathogens to other immune system cells. The antigen is recognised by helper T lymphocytes,which secrete chemicals such as cytokines to activate other immune cells against the pathogen,including T cytotoxic cells and antibody-producing B cells. Magnification: x400,when printed 10 cm wide
Licence : Droits gérés
Crédit: Science Photo Library / R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL
Taille de l’image : 2924 px × 2991 px
Model Release : Non requis
Property Release : Non requis
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