Medical Dictionary

antigen–presenting cell


Medical Definition of antigen–presenting cell

  1. :  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

Seen and Heard

What made you want to look up antigen–presenting cell? Please tell us where you read or heard it (including the quote, if possible).