The adaptive changes that occur when an individual undergoes prolonged or repeated exposure to a stressful environment; these changes reduce the physiological strain produced by such an environment.
The biological process whereby an organism adapts to a new environment. This adaptation actually occurs on a molecular level. One example is when natural microorganisms adapt so that they feed on and degrade toxic chemical wastes, or change from using one sugar as a fuel source to another.
Acclimatization (or acclimation) is an adaptation of the body to an external stress such as heat or altitude. Athletes typically acclimate to high environmental temperatures within a few weeks through enhanced ability to dissipate heat via several mechanisms including blood volume expansion and an increased sweating capacity. These adaptations can result in lower core body temperatures during exercise, which can translate to improved performance. Acclimatization to high altitudes can also result in increased physical work capacity through stimulation of red blood cell production, also termed erythropoiesis.
The process of adapting physically or psychologically to a new climate, environment, or situation.