exogenous buffer

ex·og·e·nous buf·fer

(eks-oj'ĕ-nŭs bŭf'ĕr)
Sodium bicarbonate or sodium citrate taken orally before competition by sprint-type athletes to raise extracellular pH; enhances performance in short-term, maximal exercise that generates high levels of muscle and blood lactate.
References in periodicals archive ?
The proposed model illustrates the variation of cytosolic calcium concentration for the exogenous buffers.