challenge

(redirected from nasal allergen challenge)
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challenge

1. US an assertion that a person is not entitled to vote or that a vote is invalid
2. Law a formal objection to a person selected to serve on a jury (challenge to the polls) or to the whole body of jurors (challenge to the array)

challenge

[′chal·ənj]
(communications)
To cause an interrogator to transmit a signal which puts a transponder into operation.
(immunology)
Administration of an antigen to ascertain state of immunity.
References in periodicals archive ?
Effect of topical applications of budesonide and azelastine on nasal symptoms, eosinophil count and mediator release in atopic patients after nasal allergen challenge during the pollen season.
Intranasal steroids administered 7 days before nasal allergen challenge inhibit both immediate and late-phase mediator release.