Contents

Doklady Biological Sciences

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Vol. 486, No. 1, 2019

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Physiology

Hypothermia-Induced Postrepolarization Refractoriness Is the Reason of the Atrial Myocardium Tolerance to the Bioelectrical Activity Disorders in the Hibernating and Active Ground Squirrel Citellus undulatus

V. S. Kuzmin, A. A. Abramov, Yu. V. Egorov and Academician L. V. Rosenshtraukh p. 63  abstract

Chronic Exposure to Ultrasonic Frequencies Selectively Increases Aggression in Rats

A. V. Gorlova, D. A. Pavlov, V. M. Ushakova, E. A. Zubkov, A. Yu. Morozova, Ya. A. Zorkina, A. N. Inozemtsev and Academician V. P. Chekhonin p. 69  abstract

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General Biology

Siboglinids (Annelida, Siboglinidae) as Possible Hydrocarbon Indicators as Exemplified by the Sea of Okhotsk

N. P. Karaseva, M. M. Gantsevich, A. I. Obzhirov, R. B. Shakirov, A. V. Starovoytov, R. V. Smirnov and Corresponding Member of the RAS V. V. Malakhov p. 72  abstract

The Provisional Dermal Folds in the Oral Apparatus of the American Paddlefish Polyodon spathula Walbaum, 1858 (Acipenseriformes, Polyodontidae)

A. A. Tsessarsky p. 76  abstract

Dental Microwear and Mesowear of the Microtus Voles Molars before and after Experimental Feeding of Owls

Yu. E. Kropacheva, S. V. Zykov, Corresponding Member of the RAS N. G. Smirnov and R. M. Salimov p. 79  abstract

Hypolagus brachygnathus (Lagomorpha, Leporidae) from the Lower Pleistocene of the Taurida Cave in Crimea

Academician A. V. Lopatin p. 83  abstract

The Porcupine Hystrix (Acanthion) vinogradovi (Rodentia, Hystricidae) from the Early Pleistocene Taurida Locality in Crimea

Academician A. V. Lopatin p. 86  abstract

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Cell Biology

The Adhesion of Human Dermal Fibroblasts on Anodized Nanotube-layered Titanium, Modified for Implantology Application

F. A. Fadeyev, Yu. Ya. Khrunyk, S. V. Belikov, D. V. Lugovets, O. V. Gubaeva, M. S. Karabanalov, S. L. Leontyev and A. A. Popov p. 91  abstract

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