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Ch 15 Lymph System

Key terms from ch. 15

QuestionAnswer
Adenoids Popular name for pharygeal tonsil located in the nasopharynx
Antibody substance produces in response to a specific antigen; immunoglobulin
Antigen Forign substance that produces an immune response
Antiserum Serum contaiing antibodies that may be given to provide passive immunity; Immune serum
B cell Agranular white blood cell that gives rise to antibody-producing plasma cells in response to an antigen; lymphocyte
Chyle Milky- appearing fluid absorbed into the lyphatic system from the small intestine. It consists of lymph and digested fat
Complement Group of blood proteins that helps antibodies to destroy foreign cells
Gamma Globulin Proteiin fraction in the blood plasma that contains antibodies
Immunity Power of an individual to resist or overcome the effects of a particular disease or other harmful agent
Immunization Use of a vaccine to produce immunity; vaccination
Inflamation Response of tissues to injury; characterized by heat redness, swelling, and pain
Interferon Group of substances released from virus-infected cells that prevent spread of infection to other cells; also nonspecifically boost the immune system
Lymph Fluid in the lymphatic system
Lymphatic Duct Vessel of the lymphatic system
Lymphcyte Agranular white blood cell that functions in immunity
Lymph Node Mass of lymphoid tissue along the path of a lymphatic vessel that filters lymph and harbors white blood cells active in immunity
Macrophage Large phagocytic cell that develops from a monocyte; presents antigen to lymphocytes in immune response
Plasma Cell Cell derived from a B cell that produces antibodies
Spleen Lymphoid organ in the upper left region of the abdomen
T Cell Lymphocyte active in immunity that matures in the Thymus gland; destroys foreign cells directly, T lymphocyte
Thymus Endocrine gland in the upper portion of the chest; stimulates development of T cells
Tonsil Mass of lymphoid tissue in the region of the pharynx
Vaccine Substance used to produce active immunity; usually , a suspention of attenuated or killed pathogens or some component of a pathogengiven by inoculation to prevent a specific disease
Created by: askbob
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