Definitions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Anaphylaxis | Hypersensitivity reaction involving IgE antibodies, mast cells, basophils
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| Mast cells | Cell type found throughout body contains histamine & other substances that stimulate vasodilation
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| Basophils | Granulocyte/ Leukocyte
Takes up basicdye
Not phagocytic
Receptor for IgE IC region
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| Degranulation | Release of contents of secretory granules from mast cells or basophils during anaphylaxsis.
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| Histamine | Subtance released by tissue cells that causes vasodilation. Capillary permeability, and smooth muscle contraction
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| Systemic Anaphylaxis | Hypersensitivity reaction causing vasodilation & resulting in shock/anaphylactic shock
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| Desensitization | Prevention of allergic-inflammatory responses
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| MHC | Major Histocompatibiltiy Complex- Genes that code for histocompatibility antigens aka HLA
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| HLA | Human leukocyte Antigen Complex,
Human cell surface antigens
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| Privileged site | Area of body or tissue that doesn't illicit an immune response
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| Stem cells | Undifferentiated cell that gives rise to a variety of specialized cells
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| Autograft | Tissue graft from one's self (self)
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| Isograft | Tissue graft from a genetically identical source (Twin)
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| Allograft | Tissue graft NOT from genetically identical donor (Not twin or self)
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| Xenotransplant | Ation product- Tissue graft from another species/ xeongraft
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| Immune surveillance | Body's immune response to cancer
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| Spectrum of activity | Range of distinctly different types of microorgansims affected by an antimicrobial drug
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| Broad-spectrum antibiotic | Effective against a wide range of both gram- & gram+ bacteria
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| Superinfection | Growth of a pathogen that has developed resistance to an anti-microbial drug being used; growing of opportunistic pathogen
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| Bactericidal | Kill microbes directly- Bactericide
Antimicrobial drugs
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| Bacteriostatic | Prevents microbes from growing (bacteriostasis)
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| Synergism | Principle where the effectiveness of 2 drugs used simultaneously is greater that that of either of either drug used alone
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| Antagonism | Two drugs are less effective than either alone.
Competition among microbes
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| Extremophile | Microbe organism that lives in environment extremes of temp, acidity, alkalinity, salinity or pressure
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| Symbiosis | Living together of two different organisms or populations
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| Bioremediation | Use of microbes to remove an environmental pollutant
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| Coliforms | Aerobic or Faculatively anaerobic
Gram-
Non-endospohore forming
Rod Shaped bacteria
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