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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Morphology</journal-id><journal-title-group><journal-title xml:lang="en">Morphology</journal-title><trans-title-group xml:lang="ru"><trans-title>Морфология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1026-3543</issn><issn publication-format="electronic">2949-2556</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">397733</article-id><article-id pub-id-type="doi">10.17816/morph.397733</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">PECULIARITIES OF DEVELOPMENT OF THE CORPUS CALLOSUM OF THE BRAIN IN LARGE FETUSES ACCORDING TO THE ULTRASONOGRAPHIC DATA</article-title><trans-title-group xml:lang="ru"><trans-title>ОСОБЕННОСТИ РАЗВИТИЯ МОЗОЛИСТОГО ТЕЛА ГОЛОВНОГО МОЗГА КРУПНЫХ ПЛОДОВ ПО ДАННЫМ УЛЬТРАЗВУКОВЫХ ИССЛЕДОВАНИЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bayeva</surname><given-names>I. Yu.</given-names></name><name xml:lang="ru"><surname>Баева</surname><given-names>Ирина Юрьевна</given-names></name></name-alternatives><bio xml:lang="ru"><p>кафедра оперативной хирургии и клинической анатомии им. С. С. Михайлова</p></bio><email>baeva37@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Orenburg State Medical University</institution></aff><aff><institution xml:lang="ru">Оренбургский государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2016-08-15" publication-format="electronic"><day>15</day><month>08</month><year>2016</year></pub-date><volume>150</volume><issue>4</issue><issue-title xml:lang="en">VOL 150, NO4 (2016)</issue-title><issue-title xml:lang="ru">ТОМ 150, №4 (2016)</issue-title><fpage>30</fpage><lpage>33</lpage><history><date date-type="received" iso-8601-date="2023-05-09"><day>09</day><month>05</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2016, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2016, Эко-Вектор</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://j-morphology.com/1026-3543/article/view/397733">https://j-morphology.com/1026-3543/article/view/397733</self-uri><abstract xml:lang="en"><p>To examine the dynamics of prenatal development of the corpus callosum (CC) of the brain, a prospective cohort study was conducted in 100 large fetuses (with the birth weight of 4000 g or more, the average for the group equal to 4350±250 g) with symmetrical and asymmetrical development according to weight-tolength ratio. The control group consisted of 50 fetuses with an average body weight of 3452±287 g. Measurements of length, thickness and width of CC were performed using multiplanar technique of ultrasound imaging. The deceleration of the rate of growth of CC length was detected in large fetuses after 33rd week as compared to that in control group. In a comparative analysis of CC parameters in large fetuses depending on the symmetry of their development, significantly lower values of its length were found after 27 weeks in fetuses with an asymmetrical growth. CC width in large fetuses with an asymmetrical development was significantly smaller than that in symmetrical development from 21st week of gestation till term.</p></abstract><trans-abstract xml:lang="ru"><p>С целью изучения динамики внутриутробного развития мозолистого тела (МТ) головного мозга проведено проспективное когортное исследование 100 крупных плодов (с массой тела при рождении 4000 г и более, в среднем по группе 4350±250 г) с симметричным и асимметричным развитием по весо-ростовому коэффициенту. Контрольную группу составили 50 плодов со средней массой тела 3452±287 г. Измерение длины, толщины и ширины МТ проводили с помощью мультиплоскостной методики ультразвукового сканирования. Установлено замедление темпов увеличения длины МТ крупных плодов с 33-й недели по сравнению с таковыми в контрольной группе. При сравнительном анализе параметров МТ у крупных плодов в зависимости от симметричности их развития с 27-й недели выявлены значимо меньшие значения его длины. Ширина МТ у крупных плодов с асимметричным развитием была значимо меньше, чем при симметричном с 21-й недели до конечного срока развития.</p></trans-abstract><kwd-group xml:lang="en"><kwd>brain</kwd><kwd>corpus callosum</kwd><kwd>ultrasonographic study</kwd><kwd>large fetus</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>головной мозг</kwd><kwd>мозолистое тело</kwd><kwd>ультразвуковое исследование</kwd><kwd>крупный плод</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Соколов Д. А., Чертова А. Д., Дуров С. Ю., Насонова Н. А. Морфологическая изменчивость мозолистого тела человека // Журн. анат. и гистопатол. 2014. Т. 3, № 2. С. 47-51.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Шерстнева О. В. Пренатальная ультразвуковая диагностика агенезии мозолистого тела // Мед. альманах. 2014. № 4 (17). С. 259-261.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Achiron R., Achiron A. 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