The Collaborative International Dictionary
Mesostate
Mesostate \Mes"o*state\, n. [Meso- + Gr. ? to make to stand.] (Physiol.) A product of metabolic action.
Note: Every mesostate is either an anastate or katastate, according as it is formed by an anabolic or katabolic process. See Metabolism.
Wiktionary
mesostate
n. (context biology English) A product of metabolic action; an anastate or katastate.