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An investigation of certain physiological mechanisms of the neurohumoral regulation of vascular tone
O. G. Baklavadzhyan M. S. Akhverdyan A. G. Darbinyan V. S. Eganova A. G. Mkrtchyan I. Kh. Taturyan 《Neuroscience and behavioral physiology》1993,23(1):56-62
The neuronal organization of the hypothalamobulbar system of regulation of vascular tone was studied in experiments on cats anesthetized with chloralose and nembutal and immobilized by dithylin [suxamethonium iodide]. It was established that the descending influence of the posterior, tuberal, and paraventricular structures of the hypothalamus on the activity of antidromically identified sympathicoactive reticulospinal neurons of the ventrolateral region of the medulla oblongata is realized by mono-, oligo-, and polysynaptic mechanisms. It was shown in a series of experiments carried out in rats that animals subjected to chemical desympathization, by contrast with the controls, do not develop chronic neurogenic hypertension during a six-week stressor influence on higher nervous activity. The central and peripheral neurohumoral mechanisms of the regulation of vascular tone are discussed.Translated from Fiziologicheskii Zhurnal, Vol. 77, No. 9, pp. 34–41, September, 1991. 相似文献
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Krechina EK Eganova SA Maslova VV Shidova AN Frolova SA Mardakhaeva VV 《Stomatologii?a》2007,86(5):11-14
Reaction of the microvessels in the gingival periapical tissues on pulp extirpation was followed by hyperemia development in microcirculatory bed, its expression increased in proportion as parodontal inflammation intensified and further strengthened after root canal filling. Microcirculation normalization in the gingival periapical tissues after endodontic treatment of chronic pulpitis and pulp extirpation as part of endodontic treatment was evident in 1 month in intact parodontium and in 6 months in case of its inflammation. 相似文献
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