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cataphylaxis

[ kăt′ə-fə-lăksĭs ]
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n.

Movement or transportation of white blood cells and antibodies to the site of infection.
A deterioration or breakdown in the natural mechanisms by which the body resists infectious disease.

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“Evoke” and “invoke” both derive from the same Latin root “vocāre.”

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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