Stress Adaptation

Adaptation to Brief Stress *

The time-honored, useful, and frequently applied laboratory test of clinical medicine-the white blood cell count-is acquiring new meaning through recent discoveries in the basic sciences of medicine. The observation by Dougherty and White,16"17'19 and by Reinhardt, Aron, and Li,58 of the dissolution of lymphocytes by the action of adrenocortical hormone provokes reinterpretation of a number of ...

Psychological Adaptation To Heat Stress

By Ralph A. Vernacchia, Ph.D., and Sylvia Veit-Hartley, B.A. Center for Performance Enhancement, Western Washington University This excellent work by Vernacchia and Veit-Hartley was presented at the Coaching Education Level III in December, 1998. It not only shows the quality of the authors’ research and writing, but also the what one might fi nd at a Level III seminar. Both authors are to be c...

Plant adaptation to drought stress

Plants in their natural habitats adapt to drought stress in the environment through a variety of mechanisms, ranging from transient responses to low soil moisture to major survival mechanisms of escape by early flowering in absence of seasonal rainfall. However, crop plants selected by humans to yield products such as grain, vegetable, or fruit in favorable environments with high inputs of wate...

Evolution of adaptation mechanisms: Adaptation energy, stress, and oscillating death.

In 1938, Selye proposed the notion of adaptation energy and published 'Experimental evidence supporting the conception of adaptation energy.' Adaptation of an animal to different factors appears as the spending of one resource. Adaptation energy is a hypothetical extensive quantity spent for adaptation. This term causes much debate when one takes it literally, as a physical quantity, i.e. a sor...

Physiological Adaptation to Acid Stress in Fish