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Thus, to Barcroft homeostasis was not only organized by the brain—homeostasis served the brain. [13] Homeostasis is an almost exclusively biological term, referring to the concepts described by Bernard and Cannon, concerning the constancy of the internal environment in which the cells of the body live and survive.
Homeorhesis, derived from the Greek for "similar flow", is a concept encompassing dynamical systems which return to a trajectory, as opposed to systems which return to a particular state, which is termed homeostasis.
The General Certificate of Secondary Education (GCSE) is an academic qualification in a range of subjects taken in England, Wales, and Northern Ireland, ...
Parsons was an early subscriber to systems theory. He had early been fascinated by the writings of Walter B. Cannon and his concept of homeostasis [83] as well as the writings of French physiologist Claude Bernard. [84] His interest in systems theory had been further stimulated by his contract with L.J. Henderson.
Human sexuality is the way people experience and express themselves sexually. [1] [2] This involves biological, psychological, physical, erotic, emotional, social, or spiritual feelings and behaviors.
A radioactive tracer, radiotracer, or radioactive label is a synthetic derivative of a natural compound in which one or more atoms have been replaced by a radionuclide (a radioactive atom).