hormesis

An effect where a toxic substance acts like a stimulant in small doses, but it is an inhibitor in large doses. ... (09 Oct 1997) ...
Found on http://www.mondofacto.com/facts/dictionary?hormesis

hormesis

(hor-me´sis) stimulation by a subinhibitory concentration of a toxic substance.
Found on http://www.encyclo.co.uk/local/21001

Hormesis

Hormesis (from Greek hórmēsis "rapid motion, eagerness," from ancient Greek hormáein "to set in motion, impel, urge on") is the term for generally favorable biological responses to low exposures to toxins and other stressors. A pollutant or toxin showing hormesis thus has the opposite effect in small doses as in large doses. A related conce...
Found on http://en.wikipedia.org/wiki/Hormesis

hormesis

Type: Term Pronunciation: hōr-mē′sis Definitions: 1. The stimulating effect of subinhibitory concentrations of any toxic substance on any organism.
Found on http://www.medilexicon.com/medicaldictionary.php?t=41458
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