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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.2022.30(2).623</article-id><article-id custom-type="elpub" pub-id-type="custom">morpho-623</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHORT ARTICLES</subject></subj-group></article-categories><title-group><article-title>МОРФОЛОГИЯ СОСУДИСТЫХ СПЛЕТЕНИЙ ЖЕЛУДОЧКОВ ГОЛОВНОГО МОЗГА КРЫС НА ПЕРВОМ ГОДУ ЖИЗНИ</article-title><trans-title-group xml:lang="en"><trans-title>THE MORPHOLOGY OF CHOROID PLEXUSES OF RATS’ BRAIN’S VENTRICLES AT THE FIRST YEAR OF THE DEVELOPMENT</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5387-4287</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фоканова</surname><given-names>Ольга Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Fokanova</surname><given-names>Ol'ga A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, доцент кафедры гистологии, цитологии и эмбриологии</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Assistant Professor of the Department of Histology, Cytology and Embryology</p></bio><email xlink:type="simple">oafokanova-76@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2479-2036</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кораблева</surname><given-names>Татьяна Владимировна</given-names></name><name name-style="western" xml:lang="en"><surname>Korablyova</surname><given-names>Tat'yana V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, доцент кафедры гистологии, цитологии и эмбриологии</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Assistant Professor of the Department of Histology, Cytology and Embryology</p></bio><email xlink:type="simple">korablevat@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9282-1329</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Выропаев</surname><given-names>Аркадий Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Vyropaev</surname><given-names>Arkady A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент</p></bio><bio xml:lang="en"><p>Student</p></bio><email xlink:type="simple">biohim033@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ярославский государственный медицинский университет, Ярославль</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yaroslavl' State Medical University, Yaroslavl'</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>29</day><month>05</month><year>2022</year></pub-date><volume>30</volume><issue>2</issue><fpage>64</fpage><lpage>68</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фоканова О.А., Кораблева Т.В., Выропаев А.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Фоканова О.А., Кораблева Т.В., Выропаев А.А.</copyright-holder><copyright-holder xml:lang="en">Fokanova O.A., Korablyova T.V., Vyropaev A.A.</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/623">https://www.morpholetter.com/jour/article/view/623</self-uri><abstract><p>Сосудистым сплетениям отводится особая роль в функционировании различных структур головного мозга и образовании ликвора. Через ликвор реализуются биологические, иммунологические, защитные функции. Любой дефицит в его продуцировании у лабораторных животных ведет к недостаточному питанию головного и спинного мозга и нарушениям адаптивного поведения. С этой точки изучение особенностей структурной организации сосудистых сплетений желудочков головного мозга у лабораторных животных в возрастном аспекте представляется актуальным. Объектом исследования являлись 134 белые крысы линии Вистар разного возраста – 3, 10, 28 суток и 5, 8, 12 месяцев постнатального развития. Проведено гистологическое морфометрическое исследование сосудистых сплетений желудочков головного мозга. Для оценки возрастной динамики объема желудочков головного мозга выбирали срезы, на которых их площадь сечения была максимальной, значения показателя определяли на оцифрованных микрофотографиях с четырехкратным увеличением путем обведения границ желудочков последующих расчетов в морфометрической компьютерной программе Image J. Определение объемных фракций сосудистых сплетений в желудочках головного мозга проводили стереологическим способом на серийных срезах с помощью окулярной сетки с 60-ю равноудаленными узлами пересечения при увеличении в 400 раз. Результаты исследования свидетельствуют, что после рождения сосудистые сплетения желудочков головного мозга крыс линии Вистар развиваются как целостная тканевая система, наиболее интенсивные изменения отмечены в боковых желудочках в течение первого месяца жизни животных. Для боковых желудочков характерен ускоренный рост размеров, опережающий темп развития сосудистых сплетений. Согласно проведенным расчетам рост объема сосудистого сплетения в большей степени обеспечен ростом кровеносных сосудов и соединительной ткани. В III-м и IV желудочках прослеживается подобная тенденция, но этот процесс менее выражен. Поскольку сосудистые сплетения являются источником образования ликвора, выявленные количественные закономерности свидетельствуют о возрастной инволюции желудочков головного мозга, что возможно ведет к снижению функциональной активности их сосудистых сплетений и нарушению ликвородинамики.</p></abstract><trans-abstract xml:lang="en"><p>Choroid plexuses of brain ventricles play a special role in the functioning of various brain structures and the formation of cerebrospinal fluid. Through the cerebrospinal fluid, biological, immunological, protective functions are realized. Any deficiency in its production in laboratory animals leads to malnutrition of the brain and spinal cord and impaired adaptive behavior. From this point of view, the study of the features of the structural organization of the choroid plexuses of the ventricles of the brain in laboratory animals in the age aspect seems relevant. The objects of the study were 134 white Wistar rats of different ages - 3, 10, 28 days and 5, 8, 12 months of postnatal development. A histological morphometric study of the choroid plexuses of the ventricles of the brain was carried out. To assess the age-related dynamics of the volume of the cerebral ventricles, sections were selected in which their cross-sectional area was maximum, the values ​​of the indicator were determined on digitized microphotographs with a fourfold increase by tracing the boundaries of the ventricles of subsequent calculations in the Image J morphometric computer program. Determination of volumetric fractions of the choroid plexuses in the ventricles of the brain was carried out stereologically on serial sections using an eyepiece grid with 60 equidistant intersection nodes at a magnification of 400 times. The results of the study indicate that after birth, the choroid plexuses of the ventricles of the brain of Wistar rats develop as an integral tissue system, the most intense changes were noted in the lateral ventricles during the first month of life of the animals. The lateral ventricles are characterized by an accelerated growth in size, outstripping the rate of development of the choroid plexuses. According to the calculations, the increase in the volume of the choroid plexus is largely due to the growth of blood vessels and connective tissue. In the III and IV ventricles, a similar trend is traced, but this process is less pronounced. Since the choroid plexuses are a source of cerebrospinal fluid formation, the revealed quantitative patterns indicate the age-related involution of the ventricles of the brain, which possibly leads to a decrease in the functional activity of their choroid plexuses and impaired cerebrospinal fluid dynamics.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>желудочки мозга</kwd><kwd>сосудистые сплетения</kwd><kwd>морфометрия</kwd><kwd>крысы Вистар</kwd><kwd>постнатальное развитие</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cerebral ventricles</kwd><kwd>choroid plexuses</kwd><kwd>morphometry</kwd><kwd>Wistar rat’s</kwd><kwd>postnatal development</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">Shuvalova MS. O sosudistykh spleteniyakh zheludochkov golovnogo mozga krysy. Vestnik KRSU. 2017;17(3):190-193. 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