History is gone; they taught us the definitions, the experiments that lead to the discovery of this wide network of cells and organs that contribute to immunity. But what comprises these networks individually?? Let’s see…   Well consider this diagram, [1] Image source: Snapshot from ‘Overview...

The Cells of the Immune System The response to pathogens is orchestrated by the complex interactions and activities of the large number of diverse cell types involved in the immune response. The innate immune response is the first line of defense and occurs soon after pathogen exposure. It is...