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At least 721 records · Page 40Linked to original sources
PubMed1976

[Effect of cold acclimatization of grass frogs on the heat resistance of their somatic muscles in summer].

During cold acclimation (+5 degrees C) of the grass frog Rana temporaria L. changes in heat resistance were observed for six of seven skeletal muscles examined. Changes in the resistance of different muscles were directed differently. Low-resistant muscles demonstrated an increased resistance, wheras high-resistant muscles showed a decrease resistance. Within 24 hours of acclimation, all the muscles demonstrated totally decreased heat resistance. By the end of acclimation (30 days), the resistance of muscles increased to approach the initial level. On the background of those situation changes, seasonal changes in resistance of muscles proceeded.

Acclimatization↗
PubMed1975

[The effect of cold acclimatization on thermoregulation in the Mongolian gerbil, Meriones unguicilatus].

The long-term (45 days) acclimation of the Mongolian gerbil, in contrast to albino rats, is not accompanied by adaptive changes in general metabolism, chemical thermoregulation, bioelectric skeletal muscles activity, and tissue respiration in muscles and liver. The effect of short-term intermittent cooling in the Mongolian gerbil is of short duration and does not manifest itself in increased stability of body temperature. The calorigenic effect of norepinephrine may be only observed after a long-term adaptation. The pattern of adaptation to cold in the Mongolian gerbil, a typical habitant of continental climate of Central Asia, depends on the stability of its normal thermoregulation.

Acclimatization↗
PubMed2000

The debate about acclimatization in the Dutch East Indies (1840-1860).

Around the middle of the nineteenth century, conflicting views were put forward on the influence of climate on health and disease in the Dutch East Indies. In this part of the world, old Hippocratic ideas influenced views on the cause of disease much longer than in the Netherlands. Moreover, Brunonian theories--which had been discarded in the Netherlands--fitted the discussion about the effect of temperature on the body. Additionally, scientific medicine was introduced. Scientific methods, such as the collection of meteorological and statistical data, were promoted by a small group of military health officers. However, the use of scientific data did not guarantee a clear-cut opinion on the causes of disease. Numbers proved as disputable as other, less objective, medical observations. Mortality statistics and numbers of patients especially were used as arguments in various discussions. The example of Bosch, who changed his views on the dangers of tropical climate, demonstrates that statistics could be used for different purposes. At first, in his position as General Inspector, he used them as an argument to provide better care for the military personnel; later, when retired and a civilian, he used them as justification for colonization in relation to an intended improvement of the living conditions of the natives. The dangers of tropical climate for the health of Europeans were played down as soon as other--primarily economic--motives for living in the tropics became strong enough.

Acclimatization↗
PubMed1972

Acclimatized rats.

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Acclimatization↗
PubMed2003

[Genetic changes in pink salmon Oncorhynchus gorbuscha Walbaum during acclimatization in the White sea basin].

Genetic parameters of pink salmon introduced into the White Sea basin in 1985 and 1998 were compared to the corresponding parameters of the donor population from the Ola River (Magadan oblast). The detected genetic differences indicate that colonization of a new area is accompanied by impoverishment of the gene pool of the native population. This effect was particularly marked in the odd-year line of pink salmon introduced in 1985. The probable causes of these genetic changes are discussed.

Acclimatization↗