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germ-free animal
(redirected from Germfree animal)

    Also found in: Encyclopedia, Wikipedia 0.01 sec.
germ-free animal,
a laboratory animal raised under sterile conditions, free of exposure to microorganisms. The diet is controlled, preventing exposure to microorganisms that may be in food. The germ-free animals have lymphoid tissue that is not fully developed and may have a deficiency of serum immunoglobulin.


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His group then transplanted gut flora from a lean or obese mouse into a germfree animal and fed all treated rodents the same amounts.
Nurturing our microbes: stewardship of the life teeming within us can ... by Raloff, Janet / Science News
However, if the germfree animals are inoculated with microbes from a typical zebra fish aquarium, they appear to have normal life spans.
Fish guts reveal microbial alliance by Travis, John / Science News
Scientists have generally used such germfree animals to study how particular pathogens cause diseases.
Gut check: the bacteria in your intestines are welcome guests by Travis, John / Science News
 
 
 
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