Noun
an involuntary orienting response; positive or negative reaction to a stimulus source
Source: WordNetHIV-1 Proviral DNA tropism test is useful for determination of viral tropism in patients with undetectable HIV-1 viral RNA (virologically suppressed). Source: Internet
UDS performance is comparable to phenotypic tropism tests for predicting clinical response to MVC therapy. Source: Internet
Prevalence of CXCR4 tropism among antiretroviral-treated HIV-1-infected patients with detectable viremia. Source: Internet