cross re-activities

cross-reaction

[kraws-ree-ak-shuhn-kros-]
noun
an immunologic reaction between a given antigen and an antibody or lymphokine that is specific for a different antigen resembling the first one.

Origin:
1945–50

cross-reactive, adjective
cross-reactivity, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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