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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)
DOI: https://doi.org/10.15407/fz

Fiziologichnyi Zhurnal

is a scientific journal issued by the

Bogomoletz Institute of Physiology
National Academy of Sciences of Ukraine

Editor-in-chief: V.F. Sagach

The journal was founded in 1955 as
1955 – 1977 "Fiziolohichnyi zhurnal" (ISSN 0015 – 3311)
1978 – 1993 "Fiziologicheskii zhurnal" (ISSN 0201 – 8489)
1994 – 2016 "Fiziolohichnyi zhurnal" (ISSN 0201 – 8489)
2017 – "Fiziolohichnyi zhurnal" (ISSN 2522-9028)

Fiziol. Zh. 2016; 62(5): 45-49


SPECIFIC FEATURES OF CHRONORHYTHMOLOGIC CHANGES OF THE ION-REGULATING FUNCTION OF THE KIDNEYS UNDER THE HYPOFUNCTION OF THE PINEAL GLAND

S.B. Semenenko, S.S. Tkachuk, О.V. Tkachuk, S.Y. Karateeva, V.V. Antsupova

    Higher State Educational Establishment of Ukraine “Bukovinian State Medical University”, Chernivtsi.
DOI: https://doi.org/10.15407/fz62.05.045

Abstract

The paper investigates the specific features of chronorhythmologic changes of the ion-regulating function of the kidneys under the hypofunction of the pineal gland. For the study of hypofunction of the pineal gland, animals were maintained under constant light stimulation during 7 days. It has been established that the hypofunction epiphysis point out disturbances of the phasic structure of the ion-regulating function in relation to chronograms of the intact group of rats. In terms of physiological pinealectomy observed increase in the excretion of sodium ions (6,11±0,81 mmol/h) and the concentration of this cation in the blood plasma remained elevated around the clock. The obtained results indicate significant changes of integral characteristics of the rhythms of electrolyte metabolism and the important role of the pineal gland in ensuring physiological homeostasis.

Keywords: circadian rhythm; kidneys; pineal gland.

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