homeorhesis

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homeorhesis

 [ho″me-o-re´sis]
a stabilized flow. The term has been proposed as a substitute for homeostasis, which implies a static rather than a fluid state in the internal environment, while homeorhesis takes into account the fluidity of change within a space-time continuum and more accurately describes the adaptations and constant interactions necessary to one's well-being in a changing environment.
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Homeorhetic controls in early lactation assure that body tissue, primarily adipose stores, will be mobilized to support milk production despite insufficient nutrient intake (Baumann and Currie, 1980).
This trend was reversed, however, by the Younger Dryas, 11,000-9,500 BC (13,000-11,500 BP), with an abruptness which precluded smooth homeorhetic adjustment; this large-scale oscillation de-stabilized the new balance, but would have required an increasingly interventionist attitude in the face of suddenly declining returns from gathering wild cereals (Henry 1989).
The delivery of nutrients to the mammary gland is dependent on the physiological state of the animal by homeostatic and homeorhetic mechanisms (Bauman and Currie, 1980).