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regions of swelling and tenderness of the lymph nodes
an abnormal condition in which tissues exhibit swelling (edema) because of accumulation of lymph
term that refers to lymphatic tumors
a type of lymphoma characterized as painless swelling of the lymph nodes in the neck, progressing to other regions
a local skin inflammation lasting a few hours or days after being exposed to the antigen (poison ivy)
lymph vessel inflammation
Systematic lupus erythematosus
chronic inflammatory disease caused by a widespread attack of self antigens by the immune system (autoimmunity); characterized by a red rash on the face or other signs
inflammation of the tonsils; usually caused by an infection
abnormal spleen enlargement that can be caused by scarlet fever, syphilis or typhoid fever
Severe combined immune deficiency
nearly complete failure of the lymphocytes to develop properly, in turn causing failure of the immune system's defense of the body; very rare congenital immune disorder
a disease in which the human immunodeficiency virus attacks T-cells, thereby compromising the body's immune system