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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">ymj</journal-id><journal-title-group><journal-title xml:lang="ru">Якутский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Yakut Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-1905</issn><issn pub-type="epub">2312-1017</issn><publisher><publisher-name>ЯНЦ КМП</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25789/YMJ.2023.81.04</article-id><article-id custom-type="elpub" pub-id-type="custom">ymj-101</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 RESEARCH</subject></subj-group></article-categories><title-group><article-title>Влияние света на формирование осмиофильных телец в пинеалоцитах и кальцификацию шишковидной железы</article-title><trans-title-group xml:lang="en"><trans-title>The effect of light on the formation of osmiophilic bodies in pinealocytes and calcification of the pineal gland</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>Герасимов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gerasimov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Герасимов Александр Владимирович – д.м.н., доцент, проф.</p></bio><bio xml:lang="en"><p>Gerasimov Aleksander Vladimirovich – professor of the department of histology, embry-ology and cytology; MD, associate professor</p></bio><email xlink:type="simple">avgerasimov62@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костюченко</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostyuchenko</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Костюченко Витта Петровна – к.м.н., ст. препод.</p></bio><bio xml:lang="en"><p>Kostyuchenko Vitta Petrovna – senior teacher of the department of histology, embryology and cy-tology, PhD</p></bio><email xlink:type="simple">vittacos@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Варакута</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Varakuta</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Варакута Елена Юрьевна – д.м.н., зав. кафедрой</p></bio><bio xml:lang="en"><p>Varakuta Elena Yurievna – head of the department of human anatomy with the course of topographic anatomy and operative surgery, MD</p></bio><email xlink:type="simple">varelen@rambler.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Логвинов</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Logvinov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Логвинов Сергей Валентинович – д.м.н., проф., зав. кафедрой</p></bio><bio xml:lang="en"><p>Logvinov Sergey Valentinovich – head of the department of histology, embryology and cytology, MD, professor </p></bio><email xlink:type="simple">s_logvinov@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Сибирский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Medical University of the Ministry of Health RF</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Сибирский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian state medical university of the Ministry of Health RF</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ВО «Сибирский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian state medical uni-versity of the Ministry of Health RF</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>04</day><month>02</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>17</fpage><lpage>19</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Герасимов А.В., Костюченко В.П., Варакута Е.Ю., Логвинов С.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Герасимов А.В., Костюченко В.П., Варакута Е.Ю., Логвинов С.В.</copyright-holder><copyright-holder xml:lang="en">Gerasimov A.V., Kostyuchenko V.P., Varakuta E.Y., Logvinov S.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://ymj.elpub.ru/jour/article/view/101">https://ymj.elpub.ru/jour/article/view/101</self-uri><abstract><p>С целью верификации предположения о том, что изменения содержания осмиофильных телец (ОТ) в пинеалоцитах у крыс являются морфологическим маркёром не только сдвигов секреторной активности и кальцификации шишковидной железы, реагирующей на круглосуточное освещение, но и отражают нарушения пинеального биоритма, методами световой и трансмиссионной электронной микроскопии, микрорентгеноспектрального анализа в эксперименте на крысах, подвергнутых 48-часовому воздействию яркого света, оценена численная плотность одиночных и сгруппированных ОТ, их химический состав. Сделан вывод, что сгруппированные ОТ с материалом утилизированных митохондрий и кальцификатами являются остаточным проявлением десинхроноза. Их содержание увеличивается в более ранние после воздействия сроки, чем общее содержание различных типов ОТ.</p></abstract><trans-abstract xml:lang="en"><p>In order to verify the assumption that changes in the content of osmiophilic bodies (OB) in pinealocytes in rats are a morphological marker not only of shifts in secretory activity and cal-cification of the pineal gland responding to round-the-clock lighting, but also reflect violations of pineal biorhythm, by methods of light and transmission electron microscopy, microrentgenospec-tral analysis in an experiment on rats, exposed to 48- hour exposure to bright light, the numerical density of single and grouped OB, their chemical composition was estimated. It is concluded that the grouped OB with the material of disposed mitochondria and calcifications are a residual manifestation of desynchronosis. Their content increases at an earlier time after exposure than the total content of various types of OB.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>шишковидная железа</kwd><kwd>воздействие света</kwd><kwd>крысы</kwd><kwd>ультраструктура</kwd><kwd>химический состав</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pineal gland</kwd><kwd>exposure to light</kwd><kwd>rats</kwd><kwd>ultrastructure</kwd><kwd>chemical composition</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">Герасимов А.В. Функциональная морфология нейронов супрахиазматических ядер ги-поталамуса крыс после комбинированного воздействия рентгеновского излучения и света // Радиационная биология. Радиоэкология. 2003. Т. 43, № 4. 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