Developmental Pathways Description In an extraordinary process, all cells of the immune system (and red blood cells) follow a stepwise progression from haematopoietic stem cells (HSCs) to develop into diverse and

highly specialized cells of the immune system. Instructions Write an essay, describing the basic structure and function of each cell type that arises from HSCs.The essay should also describe the stages of B and T cell development once they are stimulated by antigens to become effector cells themselves (as in B cells) or release effector molecules (such as cytokines). The mini essay is expected to be concise, and the topic covered in a focused, thorough and accurate manner. It should be at least 600 words in length. Your essay must be formatted with 1" margins, 1 1/2 line spacing, 12 point easy-to-read font;include a proper heading at the top. Your essay should begin with a clear introduction and must also have a concluding paragraph. Please submit as a Word doc (attach the file).