Transactions of KarRC RAS :: Scientific publications
Transactions of KarRC RAS :: Scientific publications

Transactions of KarRC RAS :: Scientific publications
Karelian Research Centre of RAS
ISSN (print): 1997-3217
ISSN (online): 2312-4504
Transactions of KarRC RAS :: Scientific publications
Background Editorial committee Editorial Office For authors For reviewer Russian version
Transactions of KarRC RAS :: Scientific publications

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SCIENTIFIC PUBLICATIONS
А. Г. Кижина, С.Н. Сергина, Л.Б. Узенбаева, В.А. Илюха, Э.Ф. Печорина, Е.П. Антонова, А.Е. Якимова, Д.В. Панченко.
Морфометрические параметры эритроцитов крови видов отряда rodentia: от полевки до бобра
A.G. Kizhina, S.N. Sergina, L.B. Uzenbaeva, V.A. Ilyukha, E.F. Pechorina, E.P. Antonova, A.E. Yakimova, D.V. Panchenko. Morphometric parameters of erythrocytes in several rodentia species // Transactions of Karelian Research Centre of Russian Academy of Science. No 6. Experimental biology. 2019. Pp. 123-132
Keywords: erythrocytes; diameter; surface area; rodents; metabolism; environment
Red blood cells (RBC) play a leading role in the blood gas transport function and oxygen supply to tissues, and the number and size of RBC have a decisive role in tissue oxygenation. The size of erythrocyte varies significantly among animal species, depending on a number of factors. Data on the effect of various factors (living conditions, lifestyle, systematic affiliation, body weight) on the size of RBC are contradictory. The choice of mammals belonging to the Rodentia order was dictated by their very extensive distribution range and ecological features. A comparative study of the morphometric parameters (surface area and diameter) of RBC was performed for 11 Rodentia species: European beaver (Castor fiber), Canadian beaver (C. canadensis), nutria (Myocastor coypus), muskrat (Ondatra zibethicus), rat (Rattus norvegicus), chinchilla (Chinchilla lanigera), red squirrel (Sciurus vulgaris), bank vole (Myodes glareolus), European water vole (Arvicola amphibius), laboratory mouse (Mus musculus) and Syrian hamster (Mesocricetus auratus). A direct dependence of the size of erythrocytes on body weight was established, which agrees with the data reported by other researchers. The maximum size of RBC was noted in C. canadensis and C. fiber. Besides, large erythrocytes were detected in all the studied semiaquatic animals. The surface area of erythrocytes in terrestrial rodent species decreased in the following order: C. lanigera – R. norvegicus – S. vulgaris – M. musculus – M. glareolus. The influence of physiological (weight, sex, longevity) and ecological factors (food habits and habitat) on the morphometric parameters of erythrocytes was revealed, while systematic affiliation did not affect cell size.
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