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Slide 2 A Inter Body Killer! Slide 3 It is a white blood cell Destroy infection Is the core to immunity also known as T-lymphocyte They mature in the thymus (part of your neck) Divide into two types Slide 4 Fight infection (viruses and cancer) Directly attack and destroy infections Part of the immune system Scan over everything Slide 5 Mature in the thymus gland Divide into many different types Once mature all of the body More in the places with infection Travel through lymph vessels Slide 6 Lymphocyte all look pretty much the same Functions very different Two types of t-cells CD4 CD8 Slide 7 B7 MHCcomplex CD28 CD4 CD8 Slide 8 If your number of t-cells is up.... 1. Acute lymphocytic leukemia 2. Infectious mononucleosis 3. Multiple myeloma Slide 9 When you t-cell number is down 1. Aids 2. Acute viral infection 3. Cancer 4. Congenital T-cell deficiency 5. Hodgkins disease 6. Immunodeficiency disorder 7. Leukemias 8. Waldenstorms macroglobulinemia