triple response


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triple response

[′trip·əl ri′späns]
(physiology)
The three stages of vasomotor reaction consisting of reddening, flushing of adjacent skin, and development of wheals, when a pointed instrument is drawn heavily across the skin.
References in periodicals archive ?
To confirm the ACC-deaminase activity of selected rhizobacteria, classical triple response bioassay was performed with pea seeds (Shaharoona et al., 2006).
In addition, ACCd activity of selected rhizobacteria was confirmed by classical triple response of etiolated pea seedlings.
It was not until 1901 that a Russian scientist named Neljubow discovered that ethylene caused the triple response in etiolated pea seedlings.