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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.2023.31(3).814</article-id><article-id custom-type="elpub" pub-id-type="custom">morpho-814</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>ПОКАЗАТЕЛИ МОРФОМЕТРИИ ПЛАЦЕНТЫ ЖИТЕЛЬНИЦ РЕСПУБЛИКИ САХА (ЯКУТИЯ) ПРИ ФИЗИОЛОГИЧЕСКОЙ БЕРЕМЕННОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>INDICATORS OF PLACENTAL MORPHOMETRY OF THE REPUBLIC SAKHA (YAKUTIA) INDIGENOUS WOMEN AT PHYSIOLOGICAL PREGNANCY</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9620-9754</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фомина</surname><given-names>Валерия Симоновна</given-names></name><name name-style="western" xml:lang="en"><surname>Fomina</surname><given-names>Valeriya S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры анатомии человека</p></bio><bio xml:lang="en"><p>Aspirantin of the Department of Human Anatomy</p></bio><email xlink:type="simple">fomina.valeria.89@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/0000-0002-6341-0109</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гармаева</surname><given-names>Дарима Кышектовна</given-names></name><name name-style="western" xml:lang="en"><surname>Garmaeva</surname><given-names>Darima K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заведующая кафедрой анатомии человека</p></bio><bio xml:lang="en"><p>Doctor of Medical Sciences, Professor, Head of the Department of Human Anatomy</p></bio><email xlink:type="simple">dari66@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Северо-Восточный федеральный университет имени М.К. Аммосова, Якутск</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ammosov North-Eastern Federal University, Yakutsk</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>24</day><month>08</month><year>2023</year></pub-date><volume>31</volume><issue>3</issue><issue-title>МОРФОЛОГИЧЕСКИЕ ВЕДОМОСТИ - MORPHOLOGICAL NEWSLETTER 2023-31-4</issue-title><fpage>51</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фомина В.С., Гармаева Д.К., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Фомина В.С., Гармаева Д.К.</copyright-holder><copyright-holder xml:lang="en">Fomina V.S., Garmaeva D.K.</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/814">https://www.morpholetter.com/jour/article/view/814</self-uri><abstract><p>Республика Саха (Якутия) располагается в суровых климатических условиях, что отражается на структурных компенсаторно-приспособительных изменениях в плаценте у жительниц региона, однако они остаются малоизученными. Целью было исследование морфологии плацент жительниц Республики Саха (Якутия) в условиях физиологической беременности. Все плаценты соответствовали сроку 36–41 недели беременности, роды происходили с рождением здоровых детей. I группу наблюдения составили плаценты женщин коренного населения - якуток, эвенок, эвенов и других малочисленных народов Севера, родившихся и постоянно проживающие в условиях Республики Саха (79 случаев); II группу – плаценты от женщин - некоренных жителей (русских, украинок, татарок и других), проживающих в условиях Республики Саха более 10 лет (70 наблюдений) первого и второго зрелого периодов. В работе исследования проведены на органном, тканевом уровнях структурной организации с применением комплекса морфологических, клинических и инструментальных методов. Было установлено, что у коренных жительниц чаще наблюдается парацентральное прикрепление пуповины (65,8%), а в группе некоренных жительниц в 3,3 раза чаще наблюдалось центральное прикрепление пуповины (30%). Линейные параметры плаценты характеризуются отсутствием статистически достоверного различия между исследуемыми группами. Гистологические исследования показали, что у некоренных жительниц республики, по сравнению с группой коренных жительниц, площадь терминальных ворсин была достоверно больше аналогичного показателя у некоренных в 1,8 раза (р=0,016). При тождественных показателях количества сосудов в терминальных ворсинках был определен низкий показатель сосудисто-стромального коэффициента терминальных ворсин (р=0,019) за счет увеличения стромального компонента (р=0,03), что свидетельствует о наличии относительной гиповаскуляризации. Выявлено увеличение показателя площади терминальных ворсин в 1,8 раза в плацентах группы коренных жительниц (р=0,016), что достоверно больше аналогичного показателя в группе у некоренных. Выявленные данные можно рассматривать как свидетельство адаптивной перестройки в плодной части гемато-плацентарного барьера плаценты на специфические эколого-территориальные условия проживания.</p></abstract><trans-abstract xml:lang="en"><p>The Republic of Sakha (Yakutia) is located in harsh climatic conditions, which is reflected in structural compensatory-adaptive changes in the placenta among residents of the region, but they remain poorly studied. The goal was to study the morphology of placentas of residents of the Republic of Sakha (Yakutia) under conditions of physiological pregnancy. All placentas corresponded to 36–41 weeks of gestation and delivered healthy children. The first observation group consisted of placentas of women of the indigenous population - Yakuts, Evenks, Evens and other small peoples of the North, born and permanently residing in the Republic of Sakha (79 cases); Group II – placentas from non-indigenous women (Russians, Ukrainians, Tatars and others) living in the Republic of Sakha for more than 10 years (70 observations) of the first and second mature periods. In this work, research was carried out at the organ and tissue levels of structural organization using a complex of morphological, clinical and instrumental methods. It was found that indigenous women were more likely to have paracentral umbilical cord attachment (65.8%), and in the group of non-indigenous women, central umbilical cord attachment was 3.3 times more likely to be observed (30%). Linear parameters of the placenta are characterized by the absence of statistically significant differences between the study groups. Histological studies showed that in non-indigenous women of the republic, compared with the group of indigenous women, the area of terminal villi was significantly greater than that in non-indigenous women by 1.8 times (p=0.016). With identical indicators of the number of vessels in the terminal villi, a low vascular-stromal coefficient of terminal villi was determined (p=0.019) due to an increase in the stromal component (p=0.03), which indicates the presence of relative hypovascularization. An increase in the area of terminal villi was revealed by 1.8 times in the placentas of the group of indigenous women (p=0.016), which is significantly greater than the same indicator in the group of non-indigenous women. The identified data can be considered as evidence of adaptive restructuring in the fetal part of the blood-placental barrier of the placenta to specific ecological and territorial living conditions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>плацента</kwd><kwd>морфометрия</kwd><kwd>ангиоархитектоника</kwd><kwd>коренные и некоренные жители</kwd><kwd>Республика Саха (Якутия)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>placenta</kwd><kwd>morphometry</kwd><kwd>blood vessels architectonics</kwd><kwd>indigenous and non-indigenous residents</kwd><kwd>Republic of Sakha (Yakutia)</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">Aylamazyan EK. Osnovnye problemy i prikladnoe znachenie ekologicheskoy reproduktologii. Zhurnal akusherstva i zhenskikh bolezney. 2005;54(1):7-13. In Russian</mixed-citation><mixed-citation xml:lang="en">Aylamazyan EK. 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