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Definition of antigen–presenting cell
: any of various cells (such as a macrophage or a B cell) that take up an antigen and process it into a form recognized by and serving to activate a specific helper T cell
From the M-W Editors
First Known Use of antigen–presenting cell
1975
Medical Dictionary
antigen–presenting cell
noun
an·ti·gen–pre·sent·ing cell
Medical Definition of antigen–presenting cell
: any of various cells (as a macrophage or a B cell) that take up and process an antigen into a form that when displayed at the cell surface in combination with a molecule of the major histocompatibility complex is recognized by and serves to activate a specific helper T cell
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