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[Effect of cold acclimatization of grass frogs on the heat resistance of their somatic muscles in summer]. 1976

T V Dzhamusova

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.

UI MeSH Term Description Entries
D009132 Muscles Contractile tissue that produces movement in animals. Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D011896 Rana temporaria A species of the family Ranidae occurring in a wide variety of habitats from within the Arctic Circle to South Africa, Australia, etc. European Common Frog,Frog, Common European,Common European Frog,Common Frog, European,European Frog, Common,Frog, European Common
D003081 Cold Climate A climate characterized by COLD TEMPERATURE for a majority of the time during the year. Polar Regions,Climate, Cold,Climates, Cold,Cold Climates,Polar Region,Region, Polar,Regions, Polar
D000064 Acclimatization Adaptation to a new environment or to a change in the old. Acclimation
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012621 Seasons Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Seasonal Variation,Season,Seasonal Variations,Variation, Seasonal,Variations, Seasonal

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