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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">anatomy</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал анатомии и гистопатологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Anatomy and Histopathology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2225-7357</issn><publisher><publisher-name>N.N. Burdenko Voronezh State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18499/2225-7357-2018-7-1-27-32</article-id><article-id custom-type="elpub" pub-id-type="custom">anatomy-574</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL PAPERS</subject></subj-group></article-categories><title-group><article-title>МОРФОФУНКЦИОНАЛЬНАЯ ХАРАКТЕРИСТИКА  ПАРАФОЛЛИКУЛЯРНЫХ КЛЕТОК ЩИТОВИДНОЙ ЖЕЛЕЗЫ СОБАК ПРИ РАЗЛИЧНЫХ ВИДАХ  ДВИГАТЕЛЬНОЙ АКТИВНОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>MORPHOFUNCTIONAL CHARACTERISTIC OF PARAFOLLICULAR CELLS OF THYROID GLAND IN DOGS AT VARIOUS KINDS OF PHYSICAL  ACTIVITY</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Безденежных</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bezdenezhnykh</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Безденежных Андрей Вячеславович – кандидат медицинских наук, доцент кафедры нормальной анатомии.</p><p>603126, Нижний Новгород, ул. Родионова, 190а</p></bio><email xlink:type="simple">natom311@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБОУ ВО «Нижегородская государственная медицинская академия» Минздрава России<country>Россия</country></aff><aff xml:lang="en">Nizhny Novgorod State Medical Academy<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>19</day><month>04</month><year>2018</year></pub-date><volume>7</volume><issue>1</issue><fpage>27</fpage><lpage>32</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Безденежных А.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Безденежных А.В.</copyright-holder><copyright-holder xml:lang="en">Bezdenezhnykh A.V.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://anatomy.elpub.ru/jour/article/view/574">https://anatomy.elpub.ru/jour/article/view/574</self-uri><abstract><p>Цель – изучить влияние физических нагрузок на интратиреоидные гуморальные регуляторы щитовидной железы (ЩЖ) – парафолликулярные клетки (С-тироциты).</p><sec><title>Материал и методы</title><p>Материал и методы. Исследовали животных интактной (12 собак-самцов) и двух экспериментальных групп (по 11 животных в каждой), которые в качестве двигательной активности (бег на ленте тредмилла) получали различные виды нагрузок: тренирующие (при длительном беге – 1-я группа) и стартовые (дававшиеся после цикла тренирующих нагрузок – 2-я группа). На всей поверхности поперечных срезов правой доли ЩЖ после иммуногистохимической окраски поликлональными антителами к кальцитонину, используя топографический и зональный принципы, анализировались С-тироциты. После качественного описания С-клеток (положение клеток или их объединений относительно фолликулов: интра-, интер- и парафолликулярное) измеряли диаметр фолликула, полуколичественным (количество гранул) и количественным (площадь сечения) методами характеризовали их функциональное состояние.</p></sec><sec><title>Результаты</title><p>Результаты. Среднее количество С-клеток, занимаемая ими площадь и их численность в группах у экспериментальных животных достоверно уменьшались (p&lt;0.05), причем при стартовых нагрузках нередко встречались и единичные С-клетки. Чаще всего кальцитониноциты находились около малых фолликулов, что в свою очередь, возможно, было связано с механизмами их пассивного перемещения в органе за счет образования новых фолликулов.</p></sec><sec><title>Заключение</title><p>Заключение. Выявлено, что адаптационные изменения органа тесно связаны с индивидуальными особенностями и характером двигательных нагрузок и приводят к количественным и качественным структурным преобразованиям популяций С-тироцитов, регулирующих морфофункциональное состояние железы и ее компонентов.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim was to study the influence of physical exertion on intrathyroid humoral regulators of the thyroid gland (TG) – parafollicular cells (C-thyrocytes).</p><sec><title>Material and methods</title><p>Material and methods. The animals of the intact group (12 male dogs) and two experimental groups (11 dogs in each) were studied. As their motor activity (running on the treadmill tape) various types of loads were received: training (before long duration of run – 1st  group) and starting (given after training loads – 2nd group). On the entire surface of the transverse sections of the right lobe of the thyroid gland, after immunohistochemical staining with polyclonal antibodies to calcitonin, C-thyrocytes were analyzed using topographic and zonal principles. After qualitative description of C-cells (the position of cells or their associations to follicles: intra-, inter- and parafollicular) diameter was measured, their functional state was characterized with help of semiquantitative (the number of granules) and quantitative (cross-sectional area) methods.</p></sec><sec><title>Results</title><p>Results. The average quantity of the C-cells, the space occupied by them and their quantity in groups at experimental animals were decreased (p&lt;0.05), and at loadings of starting character there were quite often individual  C-cells. Calcitoninocytes were more often located about small follicles, probably, it has been connected with mechanisms of their passive moving in gland due to formation of new follicles.</p></sec><sec><title>Conclusions</title><p>Conclusions. It has been revealed, that adaptable changes of TG are closely connected with specific features and character of loads and lead to quantitative and qualitative structural exchanges of parafollicular cells, regulating a morphofunctional condition of the gland and its components.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>С-клетки</kwd><kwd>С-тироциты</kwd><kwd>парафолликулярные клетки</kwd><kwd>кальцитониноциты</kwd><kwd>щитовидная железа</kwd><kwd>двигательная активность</kwd><kwd>эндокринная система</kwd></kwd-group><kwd-group xml:lang="en"><kwd>C-cells</kwd><kwd>С-thyrocytes</kwd><kwd>parafollicular cells</kwd><kwd>calcitoninocytes</kwd><kwd>thyroid gland</kwd><kwd>physical (motor) activity</kwd><kwd>endocrine system</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Анашкина Е. Н. 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