Define These Lymphatic and Immune System Vocabulary Flashcards

Chapter 14, Lymphatic and Immune Systems, Language of Medicine, 8th Edition

42 cards   |   Total Attempts: 184
  

Cards In This Set

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Acquired immunity
Formation of antibodies and lymphocytes after exposure to an antigen
Adenoids
Masses of lymphatic tissue in the nasopharynx
Antibody
Protein produced by B cell lymphocytes to destroy antigens
Antigen
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.
Cytokine
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.
Immunoglobulins
Antibodies (gamma globulins) such as IgA, IgE, IgC, IgM and IgD that are secreted by plasma cells in humoral immunity.