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Homeostasis

Author(s): Wade Haaland

History of Homeostasis

Claude Bernard was a French physiologist who usually is credited with developing the concept of the "internal milieu" (internal environment). He astutely observed that animals can regulate their internal environments-and maintain a favorable state-even if the external environment changes.

Walter Cannon was a prominent American scientist who coined the term, "homeostasis," when referring to a constant internal environment. He wrote prolifically on the subject and was a pioneer in the study of the autonomic nervous system's role in maintaining homeostasis.