The Lymphatic And Immune System Vocabulary, Chapter 14

Chapter 14, Lymphatic And Immune Systems, Language Of Medicine, 8th Edition
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acquired immunity
Formation of antibodies and lymphocytes after exposure to an antigen
Masses of lymphatic tissue in the nasopharynx
Protein produced by B cell lymphocytes to destroy antigens
Substance that the body recognizes as foreign; evokes an immune response.
axillary node
Any of the 20 to 30 lymph nodes in the armpit.
B cell
Lymphocyte that originates in the bone marrow and transforms into a plasma cell to secrete antibodies.
cell-mediated immunity
An immune response involving T lymphocytes; antigens are destroyed by direct action of cells, as opposed to be antibodies.
cervical node
One of many lymph nodes in the neck region.
Protein (made by T lymphocytes) that aids antigen destruction.
cytotoxic T cell
T lymphocyte that directly kills foreign cells.
dendritic cell
Cell (specialized macrophage) that ingests antigens and presents them to T cells.
helper T cell
Lymphocyte that aids B cells in recornizing antigens and stimulating antibody production; also called T4 cell or CD4+ cell
humoral immunity
Immune response in which B cells transform into plasma cells and secrete antibodies.
immune response
Body's capacity to resist foreign organisms and toxins that can damage tissue and organs; humoral and cell-mediated immunity.
Antibodies (gamma globulins) such as IgA, IgE, IgC, IgM and IgD that are secreted by plasma cells in humoral immunity.
Use of immunologic knowledge and techniques to treat or prevent disease.
inguinal node
One of several lymph nodes in the groin region.
Antiviral proteins (cytokines) secreted by T cells; they are also stimulated macrophages to ingest bacteria.
Proteins (cytokines) that stimulate the growth of B or T lymphocytes and activate specific components of the immune response.
interstitial fluid
Fluid in the spaces between cells. This fluid becomes lymph when it enters lymph capillaries.
killer T cell
Cytotoxic T cell lymphocyte that recognizes and destroys foreign cells (viruses and tumor cells).
Thin, watery fluid found within lymphatic vessels and collected from tissues throughout the body.
lymph capillaries
Tiniest lymphatic vessels.
lymphoid organs
Lymph nodes, spleen and thymus gland
lymph node
Stationary soild lymphatic tissue along lymph vessels.
lymph vessel
Carrier of lymph throughout the body; lymphatic vessels empty lymph into veins in the upper part of the chest.
Large phagocyte found in lymph nodes and other tissues of the body.
mediastinal node
Any of may lymph nodes in the area between the lungs in the thoracic cavity.
monoclonal antibody
Antibody produced in a laboratory to attack antigens.
natural immunity
An individual's own genetic ability to fight off disease.
plasma cell
Lymphoid cell that secretes an antibody and originates from B lymphocytes.
right lymphatic duct
Large lymphatic vessel in the chest that receives lymph from the upper right part of the body.
Organ near the stomach that produces, stores, and eliminates blood cells.
suppressor T cell
Lymphocyte that inhibits the activity of B and T lymphocytes.
T cell
Lymphocyte that originates the bone marrow but matures in the thymus gland.
In the thymus, T lymphocytes learn to recognize and accept the body's own antigens as "self" or friendly.
thoracic duct
Large lymphatic vessel in the chest that receives lymph from below the diaphragm and from the left side of the body above the diaphragm.
thymus gland
Organ in the mediastinum that produces T lymphocytes and aids in the immune response.
Masses of lymphatic tissue in the back of the oropharynx.
Poison; a protein produced by certain bacteria, animals, or plants.
Introduction of altered antigens (viruses or bacteria) to produce an immune respoinse and protection against disease.
Weakened or killed miroorganisms or toxins administered to induce immunity to infection or disease.

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