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The white blood cells or lymphocytes produced by these lymph nodes kill bacteria and viruses entering the body. Lymph nodes are very small organs, only about 1-2 cm in size and are found as a network throughout the body.odgkin's Disease. Hodgkin's disease is one of the serious lymph nodes diseases, and it is a type of cancer, in which the lymphocytes are commonly affected and the victim with this type of cancer becomes vulnerable to many other diseases as the immune system is going be to partially or completely destroyed.
Lymph nodes filter lymph of harmful pathogens such as bacteria and viruses. The nodes also filter out cellular waste, dead cells, and cancerous cells. The filtered lymph from all areas of the body is eventually returned to the blood through a blood vessel near the heart.-cells and T-cells are lymphocytes found in lymph nodes and lymph tissues. When B-cell lymphocytes become activated due to the presence of a particular antigen, they create antibodies that are specific to that specific antigen. The antigen is tagged as an intruder and labeled for destruction by other immune cells.