Lymphatic System

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Synonymous with antibody positivity

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Sero-Positivity

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The absence of antibody positivity

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Sero-Negativity

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An immune system cell that scavenges bacterial and other foreign material in the blood and tissues.

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Macrophage

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Blood cell that does not contain hemoglobin and plays a major role in the immune defense system.

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White Blood Cell

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A large mononuclear leukocyte (white blood cell)

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Monocyte

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Any substance that can elicit the formation of an antibody specific for the substance when introduced into a foreign species.

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Antigen

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A protein molecule from the immune system that counteracts the effects of invading organisms and other foreign substances.

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Antibody

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A clear liquid that flows through ___ vessels and is collected from the tissues throughout the body. Its function is to nourish tissue cells and return waste matter to the bloodstream. The ___ system eventually connects with and adds to venous circulation.

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Lymph

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A lymphocyte subtype active in the process and stimulation of immunity. This cell is the one principally infected and killed by the AIDS virus.

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Helper T-Lymphocyte

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An immune system deficiency disorder that suddenly alters the body's ability to defend itself. The ___ virus invades the T-cells and multiplies, causing a breakdown in the body's immune system, eventually leading to overwhelming infection and or cancer, and ultimately, to death.

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AIDS (Acquired Immune Deficiency Syndrome)

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Any tumor of the lymphatic tissues

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Lymphoma

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A lymph gland enlargement in response to any foreign substance or disease.

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Lymphadenopathy

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A protein formed by cells of the immune system in the presence of a virus, etc. It prevents viral reproduction, and is capable of protecting non-infected cells from viral infection. Several kinds of ___ exist including alpha, beta, and gamma.

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Interferon

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Cancer of the lymph glands and bone marrow resulting in overproduction of white blood cells (related to Hodgkin's disease).

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Leukemia

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Any immune reaction deficiency involving antibody or cell-mediated immunity.

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Immunodeficiency

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The condition that enabels a living organism to resist and overcome disease or infection.

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Immunity

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Cancer of the lymphatic system and lymph nodes

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Hodgkin's Disease

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Thecausative agent of AIDS, it is considered synonymous with HTLV-III/LAV.

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HIV (Human Immunodeficiency Virus)

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A virus that causes infectious mononucleosis and that is possibly capable of causing other diseases in immuno-compromised hosts.

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Epstein Barr Virus (EBV)

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A symbol for glycoprotein expressed on the surface of most phytocytes and some lymphocytes, including Helper T cells. Human ___ is the receptor that serves as a docking site for HIV viruses on certain lymphocyte cells. Binding of the viral glycoprotein gp120 to ___ is the 1st step in viral entry, leading to the fusion of viral and cell membrane.

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CD4

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Occurs when the body's immune system reacts to and damages its own tissues and organs. Examples include multiple sclerosis, rheumatoid arthritis, systemic lupus, Bright's disease, and diabetes.

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Autoimmune Disease

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Substances produced by the cells of the immune system when exposed to antigens. These substances are not antibodies, but they play a vital role in the on-board defense system.

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Lymphokines

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A type of white blood cell found in lymph, blood, and other specialized tissue such as bone marrow and tonsils. B- and T-__ are primarily responsible for antibody production. The T-___ are involved in the direct attack against living organisms. The helper T-___, a subtype, is the main cell infected and destroyed by the AIDS virus.

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Lymphocyte

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Located in the lymph vessels of the body, these glands trap foreign material and produce lymphocytes. These glands act as filters in the lymph system, and contain and form lymphocytes and permit lympatic cells to destroy certain foreign agents.

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Lymph Glands

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A white blood cell which appears 5,000 to 10,000x in each cubic millimeter of normal human blood. Among its most important functions are destroying bacteria, fungi and viruses, and rendering harmless poisonous substances that may result from allergic reactions and cell injury.

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Leukocyte

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A combination of cells and proteins that assist in the host's ability to fight (ie. resist) foreign substances such as viruses and harmful bacteria. The liver, spleen, thymus, bone marrow, and lymphatic system are interrelated in the ___ ___ normal function.

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Immune System

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Lymphocytes that are produced in the bone marrow and mature in the thymus. ___ are responsible for mediating the 2nd branch of the immune system called "cellular immune response." ___ can live for months to years. This lymphocyte population is defined by the presence of a rearranged ___ receptor.

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T-cell

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Any agent that is cancer-causing

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Carcinogen

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Reduction in number of white blood cells to below normal level.

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Leukopenia

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An increase in the number of white blood cells above the normal limit.

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Leucocytosis

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Congenital resistance to a specific disease.

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Inborn Immunity

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Swelling of the joint between the big toe and the 1st metatarsal

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Bunion

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Swollen and inflamed lymph node in armpit or groin.

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Bubo

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Designating a disorder of the body's defense mechanism in which antibodies are produced against the body's own tissue, treating it as a foreign substance.

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Autoimmune

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A predisposition to various allergic conditons including eczema and asthma.

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Atopy

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AIDS-related complex

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ARC

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Chronic enlargement of lymph nodes and persistent fever caused by AIDS virus

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AIDS-related Complex (ARC)

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Acute illness caused by chemicals or drug reaction in which certain white blood cells disappear, causing rapid, massive infection.

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Agranulocytosis

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Malignant epithelial tumor in glandular pattern.

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Adenocarcinoma

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Regional inflammation of gland or lymph node.

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Adenitis

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Immune reaction to a transplanted organ

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Rejection

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Abnormal malignant overgrowth of cells of lymphatic glands or the immune system.

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Reticulosis

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A lymphocyte controlled by the thymus gland, which suppresses the immune response.

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Suppressor T-Cell

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Formation and discharge of pus

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Suppuration

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A white blood cell that plays an important part in the immune system. There are 3 types of __, each of which has different subsets.

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T-Cell

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A subset of T-cells. Physicians regularly measure ___ ___ cell counts in HIV positve people. The normal range for ___ ___ cell is 480-1800, but may vary.

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T-helper cell

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A white blood cell that kills foreign organisms often being activated by T-helper cells.

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T-Killer cell (Cytoxic T-Cell)

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A type of white blood cell that helps control the body's response to an infection.

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T-Suppressor Cell

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Short-term resistance to a disease from the injection of another's antibodies.

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Passive Immunity

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Designating disease or infection occurring only under certain conditions, as when the immune system is impaired.

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Opportunistic

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A low number of neutrophils (common white blood cell) in the blood

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Neutropenia

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Large immune system cells that attack and destroy infected and cancer-causing cells.

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Natural Killer Cells (NK Cells)

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Inborn lack of susceptibility to a specific disease.

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natural Immunity

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T-cells that have been exposed to specific antigens and are able therafter to proliferate (to grow or increase in rapid production) upon repeat exposure to the same antigens.

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Memory Cells

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Inflammation of breasts due to bacterial infection

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Mastitis

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Connective tissue containing lymphocytes

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Lymphoid Tissue

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Pertaining to the lymph system

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Lymphatic

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A class of immune system cells that function to kill cancer and virus infected cells.

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Killer T-Cells (Natural Killer Cells)

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Ability of the body to recognize and neutralize foreign matter, either natural or acquired.

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Immunity

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Any of 5 classes of antibodies; Igg, Igm, Iga, and Igf.

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Ig/ Immunoglobulin

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Allergic reaction

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Hypersensitivity

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Immunity defense against disease by antibodies in body fluids.

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Humoral

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A cell type of the immune system filled with granules of toxic chemicals that enable it to digest microorganisms. Basophils, neutrophils, and eosonophils are examples of ___.

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Granulocyte

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White blood cell that helps in the immune response.

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Helper T-Cell

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A type of white blood cell, called a granulocyte, that can digest microorganisms.

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Eosinophil

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Reduction or subsidence of swelling

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Detumescence

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Specific immune response mediated by cytotoxic T-Lymphocytes.

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Cell-mediated Immunity

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Antibody whose production is induced by cancer cells or tissue transplants and that blocks the kiling of those cells by cytotoxic T-cells.

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Blocking Antibody

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A type of white blood cell that is involved in allergic reactions

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Basophil

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Excess of fluid in the tissues

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Dropsy

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In the armpit area

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Axillary

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Fat in connective tissue

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Adipose