As discussed in the article on allostasis, the human living system persists in the living state not only through mechanisms that regulate constancy of critical biological variables and processes - homeostasis - but also through mechanisms that change the set-point ranges of biological variables and processes so as to adapt to changing, sometimes seriously threatening circumstances.— Citizendium, the Citizens' Compendium - Recent changes [en]
This article will explore the many facets of the phenomenon of rheostasis, in particular in mammalian physiology in relation to homeostasis, allostasis, and systems biology.— Citizendium, the Citizens' Compendium - Recent changes [en]
London: John Murray, Albemarle Street. endocrine factors in nagging, Derek Chadwick and Jamie Goode characterize allostasis as follows, and contrast it with Speaking generally, allostasis is distinct from homeostasis in maintaining a compensated equilibrium rather than a physiological equilibrium: stability is maintained at a price.— Citizendium, the Citizens' Compendium - Recent changes [en]
This has been called "allostasis" or "stability through change" by Sterling and Eyer— Citizendium, the Citizens' Compendium - Recent changes [en]
J. Wiley Ltd. 1988, p. 631), and allostasis is an essential component of maintaining homeostasis.— Citizendium, the Citizens' Compendium - Recent changes [en]

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