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James Lovelock and Lynn Margulis, coauthors of Gaia hypothesis, wrote in particular that only homeorhetic, and not homeostatic, balances are involved in the theory. [2] That is, the composition of Earth's atmosphere, hydrosphere, and lithosphere are regulated around "set points" as in homeostasis, but those set points change with time.
Homeostatic capacity refers to the capability of systems to self-stabilize in response to external forces or stressors, or more simply the capability of systems to maintain homeostasis. [ 1 ] [ 2 ] For living organisms , it is life's foundational trait, consisting of a hierarchy and network of traits endowed by nature and shaped by natural ...
In biochemistry, steady state refers to the maintenance of constant internal concentrations of molecules and ions in the cells and organs of living systems. [1] Living organisms remain at a dynamic steady state where their internal composition at both cellular and gross levels are relatively constant, but different from equilibrium concentrations. [1]
Historically, an order of battle was the order in which troops were positioned relative to the position of the army commander or the chronological order in which ships were deployed in naval situations. As combat operations develop during a campaign, orders of battle may be revised and altered in response to the military needs and challenges.
The homeostatic mechanism which controls the plasma sodium concentration is rather more complex than most of the other homeostatic mechanisms described on this page. The sensor is situated in the juxtaglomerular apparatus of kidneys, which senses the plasma sodium concentration in a surprisingly indirect manner.
Developmental homeostasis is a process in which animals develop more or less normally, despite defective genes and deficient environments. [1] It is an organism's ability to overcome certain circumstances in order to develop normally. This can be a circumstance that interferes with either a physical or mental trait.
The brain is the organ of central command, orchestrating cross-system operations to support optimal behavior at the level of the whole organism. The PAO describes differences between homeostasis and allostasis paradigms and conciliation of the paradigms illustrated with alternative views of post-traumatic stress disorder (PTSD). Lee states:
Diving reflex in a human baby. The diving reflex, also known as the diving response and mammalian diving reflex, is a set of physiological responses to immersion that overrides the basic homeostatic reflexes, and is found in all air-breathing vertebrates studied to date.