What do lymphocytes look like? How do they function, and what does age have to do with it? Laboratory scientist, Dr. Susan Leclair helps us to understand how lymphocytes communicate with each other and why the age and stages of these cells matter. Listen as Dr. Susan Leclair extends her discussion on lymphocytes and their morphology. http://www.patientpower.info/video/be-smart-about-your-lab-tests-underst...