EXAM #3 TERMS

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Author:
sapperwife
ID:
93278
Filename:
EXAM #3 TERMS
Updated:
2011-07-07 13:21:46
Tags:
MICRO TERMS
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Description:
MICRO EXAM 3 TERMS 2
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  1. CAPSID
    The protein coat or shell that surrounds a virion’s nucleic acid.
  2. PLUS-STRAND VIRUS
    The virus nucleicacid strand that is equivalent in base sequence to viral mRNA.
  3. NECROTIC LESSIONS
    The death or decay of tissue in a particular part of the body, as from loss of blood supply, burning, etc.
  4. DENDRITIC CELLS
    An antigen-presenting cell that has long membrane extentions resembling the dendrites of neurons. Found in the lymph nodes, spleen, and thymus, skin and other tissues.
  5. MICROBIOTA
    Microbial flora harbored by normal, healthy individuals living in a particular region.
  6. ISOGRAFT
    A graft of tissue that is obtained from a donor genetically identical to the recipient.
  7. SYMBIOSIS
    A graft of tissue that is obtained from a donor genetically identical to the recipient.
  8. FINAL HOST
    The host on/in which a parasite either attains sexual maturity or reproduces.
  9. CHRONIC INFECTION
    The virus is almost always detectible and clinical symptoms may be either mild or absent for long periods. Persisting over a long period of time.
  10. LOCALIZED INFECTION
    An infection restricted to a limited region or to one or more anatomical areas.
  11. NOSOCOMIAL
    Developed during a stay at a hospital or other clinical care facility
  12. ASTHMA
    An example of an atopic allergy involving the lower respiratory tract.
  13. VECTOR
    In genetics it is a DNA molecule that can replicate and transport a piece of inserted foreign DNA, such as gene, into a recipient cell. In epidemiology, it is a living organism, usually an arthropod or other animal, that transfers an infective agent between host.
  14. ANTIGENS
  15. A foreign (nonself) substance (such as a protein, nucleoprotein, polysaccharide, or sometimes a glycolipid) to which lymphocytes response; also known as an immunogen because it induces the immune response.
  16. VIRULENCE
    The degree or intensity of pathogenicity of an organism as indicated by case fatality rates and or ability to invade host tissues and cause disease.
  17. ANERGIC
    a state of unresponsiveness to antigens. Absence of the ability to generate a sensitivity reaction to substances that are expected to be antigenic.

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