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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">morpho</journal-id><journal-title-group><journal-title xml:lang="ru">Морфологические ведомости</journal-title><trans-title-group xml:lang="en"><trans-title>Morphological newsletter</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1812-3171</issn><issn pub-type="epub">2686-8741</issn><publisher><publisher-name>Private Medical University REAVIZ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20340/mv-mn.2020.28(2):41-47</article-id><article-id custom-type="elpub" pub-id-type="custom">morpho-482</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>RESEARCH ARTICLES</subject></subj-group></article-categories><title-group><article-title>СТРУКТУРНО-ФУНКЦИОНАЛЬНАЯ ХАРАКТЕРИСТИКА ВИСЦЕРАЛЬНЫХ ЛИМФАТИЧЕСКИХ УЗЛОВ ЧЕЛОВЕКА СТАРЧЕСКОГО ВОЗРАСТА</article-title><trans-title-group xml:lang="en"><trans-title>THE STRUCTURAL AND FUNCTIONAL CHARACTERISTICS OF VISCERALES LYMPH NODES IN THE HUMAN OF OLD AGE</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>Ерофеева</surname><given-names>Людмила Михайловна</given-names></name><name name-style="western" xml:lang="en"><surname>Erofeyeva</surname><given-names>Lyudmila M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, профессор, ведущий научный сотрудник</p></bio><bio xml:lang="en"/><email xlink:type="simple">gystology@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт морфологии человека, Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of the Human Morphology, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>16</day><month>08</month><year>2020</year></pub-date><volume>28</volume><issue>2</issue><fpage>41</fpage><lpage>47</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ерофеева Л.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Ерофеева Л.М.</copyright-holder><copyright-holder xml:lang="en">Erofeyeva L.M.</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://www.morpholetter.com/jour/article/view/482">https://www.morpholetter.com/jour/article/view/482</self-uri><abstract><p>Проблема возрастной инволюции структур иммунной системы в настоящее время становится все более актуальной. Цель настоящего исследования - структурно-функциональная характеристика висцеральных лимфатических узлов человека старческого возраста. С использованием иммуноморфологических методов изучены структура и клеточный состав бифуркационных и брыжеечных лимфатических узлов человека старческого возраста. Показано выраженное развитие волокнистой соединительной ткани, что приводит к фрагментации паренхимы узлов и сокращению площади коркового вещества. В корковом веществе выявляются лимфоидные узелки мелких размеров и узкая паракортикальная зона. В лимфоидных узелках отмечается отсутствие светлых центров с делящимися и малодифференцированными лимфоцитами и высокая концентрация зрелых CD20+ В-лимфоцитов. В паракортикальной зоне не выявляютсяCD4+ Т-хелперы. Во всех структурных компонентах лимфатического узла отсутствуют Ki67-положительные клетки, что свидетельствует об угасании лимфоцитопоэтической функции, которое обусловлено замещением ретикулярной ткани микроокружения волокнистой соединительной тканью и отсутствием CD4+ Т-лимфоцитов, регулирующих реакции клеточного и гуморального иммунитета. Разрушение ретикулярной стромы в синусной системе, которая является биологическим фильтром, ведет к нарушению функции очистки лимфы.                                                                                </p><p>                                                                                                                     </p><p>                                                                                                                    </p></abstract><trans-abstract xml:lang="en"><p>The problem of age-related involution of the structures of the immune system is now becoming more and more urgent. The aim of this study is the structural and functional characteristics of the visceral lymph nodes of an elderly person. Using immune morphological methods, the structure and cellular composition of the subcarinal and mesenteric lymph nodes of an elderly person were studied. A pronounced development of fibrous connective tissue is shown, which leads to fragmentation of the parenchyma of the nodes and a reduction in the area of the cortex. In the cortex, small lymphoid nodules and a narrow para-cortical zone are revealed. In lymphoid nodules, the absence of light centers with dividing and poorly differentiated lymphocytes and a high concentration of mature CD20 B-lymphocytes are noted. In the para-cortical zone, CD4 T-helpers are not detected. In all structural components of the lymph node, Ki67-positive cells are absent, which indicates the extinction of lymphocyte-poietic function, which is due to the replacement of the reticular tissue of the microenvironment with fibrous connective tissue and the absence of CD4 T-lymphocytes, which regulate the reactions of cellular and humoral immunity. Destruction of the reticular stroma in the sinus system, which is a biological filter, leads to impaired lymph purification function.</p><p>                                                                                                                       </p><p>                                                                                                                       </p></trans-abstract><kwd-group xml:lang="ru"><kwd>лимфатические узлы</kwd><kwd>возрастная инволюция</kwd><kwd>бифуркационные лимфатические узлы</kwd><kwd>брыжеечные лимфатические узлы</kwd><kwd>иммуноморфология</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lymph nodes</kwd><kwd>age involution</kwd><kwd>subcarinal lymph nodes</kwd><kwd>mesenteric lymph nodes</kwd><kwd>immune morphology</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">Isakova NB, Starkova EV. 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