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Morphologic changes in the pineal gland of rats exposed to continuous darkness
TLDR
The activity of mammalian pineal can be altered by light conditions to which the animal is exposed and no significant differences in nuclear characteristics of intermediate type were found between rats kept in LD and those kept in DD. Expand
The Mercury Content and Antioxidant System in Insectivorous Animals (Insectivora, Mammalia) and Rodents (Rodentia, Mammalia) of Various Ecogenesis Conditions
TLDR
The results indicate that mercury accumulation in the tissue depends on the age, tissue type, and diet of the species, and a correlation between mercury accumulation and catalase activity in the kidneys of the animals studied was found. Expand
Biochemical adaptations to dive-derived hypoxia/reoxygenation in semiaquatic rodents.
TLDR
The results suggest that beaver, nutria and muskrat have distinct mechanisms of adaptation to diving hypoxia/reoxygenation and support the hypothesis that semiaquatic mammals are the intermediate animals that help to define which potential selection factors and mechanical constraints may have directed the evolution of the aquatic forms. Expand
Antioxidant defense system in tissues of semiaquatic mammals
Activity of antioxidant enzymes (superoxide dismutase and catalase) and low molecular weight antioxidants (tocopherol and retinol) was studied in tissues of 8 semiaquatic mammalian species. InExpand
Circadian Rhythms of Antioxidant Enzyme’s Activity in Young and Adult Rats under Light Deprivation Conditions
TLDR
The presence of an ultradian rhythm in the general circadian cycle characterized by a second peak with a smaller amplitude and shorter period can be considered a distinctive feature of daily fluctuations in AOЕ activity in young rats in LD and LD/DD groups. Expand
Hematological Parameters in Hibernating Eptesicus nilssonii (Mammalia: Chiroptera) Collected in Northern European Russia
TLDR
Hibernating E. nilssonii were found to have a low total WBC count similar to other hibernators; no significant variation was noted during hibernation, and differential leukocyte count showed a significant reduction in total monocytes in winter. Expand
THE ECO-PHYSIOLOGICAL STATUS OF HIBERNATING BATS ( CHIROPTERA ) IN THE NORTH OF THE EUROPEAN DISTRIBUTION RANGE
The chiropteran fauna in hibernacula in Karelia is chiefly made up of widespread sedentary boreal species – the northern bat Eptesicus nilssonii (Keyserling & Blasius, 1839), Brandt’s bat MyotisExpand
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