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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.2024.32(4).859</article-id><article-id custom-type="elpub" pub-id-type="custom">morpho-859</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>СВЕТОМИКРОСКОПИЧЕСКАЯ ВИЗУАЛИЗАЦИЯ НАДЭПИТЕЛИАЛЬНОГО СЛОЯ ПЕРЕДНЕГО ЭПИТЕЛИЯ РОГОВИЦЫ SUS SCROFA DOMESTICUS</article-title><trans-title-group xml:lang="en"><trans-title>THE LIGHT MICROSCOPIC VISUALIZATION OF THE OF THE SUS SCROFA DOMESTICUS ANTERIOR CORNEAL EPITHELIUM SUPRA-EPITHELIAL LAYER</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6869-3112</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хомякова</surname><given-names>Наталья Васильевна</given-names></name><name name-style="western" xml:lang="en"><surname>Khomyakova</surname><given-names>Natal'ya V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат  медицинских наук, врач-офтальмолог</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Ophthalmologist</p></bio><email xlink:type="simple">Khomyakova76@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Частное учреждение здравоохранения Больница РЖД-Медицина города Брянск, Брянск</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Private healthcare Institution the Hospital Russian Railways - Medicine of the Bryansk City, Bryansk</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>01</day><month>04</month><year>2025</year></pub-date><volume>33</volume><issue>2</issue><elocation-id>id-859 Cтатья опубликована / The Article is published</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Хомякова Н.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Хомякова Н.В.</copyright-holder><copyright-holder xml:lang="en">Khomyakova N.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://www.morpholetter.com/jour/article/view/859">https://www.morpholetter.com/jour/article/view/859</self-uri><abstract><p>Согласно данным электронной микроскопии препаратов химически фиксированного материала, поверхность переднего эпителия роговицы формируют мириады микроворсинок. Выравнивание поверхности переднего эпителия относят к функции слезной пленки. В качестве доказательства, подтверждающего существование слезной пленки, приводят интерференционные картины, наблюдаемые на поверхности роговицы. Этот оптический феномен объясняют отражением света от передней и задней поверхности липидного слоя слезной пленки. На гистологических препаратах криофиксированного in vivo материала слезную пленку идентифицируют с гомогенным материалом над микроворсинками плоских клеток третьего слоя переднего эпителия. Предполагают, что мембраноподобная структура на поверхности гомогенного материала может соответствовать липидному слою слезной пленки. В тоже время, результаты микроскопии препаратов криостатных срезов доказывают, что передний эпителий роговицы состоит из 5 клеточных слоев. Пятый – гомогенный слой состоит из уплотненных рядов безъядерных клеток. На его поверхности также присутствует тонкий мембраноподобный компонент. В научной литературе отсутствуют данные о мембраноподобном компоненте переднего эпителия. Это означает, что описание структуры переднего эпителия роговицы остается незавершенным. Цель исследования: получить данные о мембраноподобном компоненте переднего эпителия роговицы. Материал исследования - глаза свиньи домашней (Sus scrofa domesticus). Методы исследования - световая микроскопия. В результате исследования сагиттальных криостатных срезов роговицы и препаратов-отпечатков с поверхности роговицы визуализирован надэпителиальный слой переднего эпителия в виде неклеточного компонента по типу пленки. Основными элементами пленки являются микропузырьки, внешне напоминающие фрагменты клеток и апоптозные тельца. Мы обозначили неклеточный компонент термином «надэпителиальная пленка». Есть основания полагать, что она формируется в результате апоптоза поверхностных клеток переднего эпителия роговицы в условиях жидкой среды - слезной жидкости. По нашим сведениям, публикуемые данные являются первым сообщением о присутствии неклеточного компонента в виде пленки на поверхности переднего эпителия роговицы. Строение и свойства надэпителиальной пленки подлежат всестороннему исследованию для определения е е роли и значения в физиологии переднего эпителия. При обсуждении вопроса о природе интерференционных картин на поверхности роговицы, надэпителиальная пленка, присутствующая на границе раздела двух сред (твердой – передний эпителий и жидкой – слезная жидкость), по нашему мнению, может рассматриваться как материальная основа тонкопленочной интерференции.</p></abstract><trans-abstract xml:lang="en"><p>According to the data of electron microscopy of chemically fixed material preparations, the surface of the anterior corneal epithelium is formed by myriads of microvilli. Smoothing of the surface of the anterior epithelium is attributed to the function of the tear film. As evidence confirming the existence of the tear film, interference patterns observed under certain conditions on the surface of the cornea are cited, which explain this optical phenomenon by the reflection of light from the anterior and posterior surfaces of the lipid layer of the tear film. In histological preparations of material cryofixed in vivo, the tear film is identified with the homogeneous material above the microvilli of the flat cells of the third layer of the anterior epithelium. It is assumed that the membrane-like structure on the surface of this homogeneous material may correspond to the lipid layer of the tear film. At the same time, the results of microscopy of cryostat section preparations prove that the anterior corneal epithelium consists of five cell layers. The fifth homogeneous layer consists of compacted rows of without nuclear cells. A thin membrane-like component is also present on its surface. There are no data on this membrane-like component of the anterior epithelium in the scientific literature. This means that a detailed description of the structure of the anterior corneal epithelium remains incomplete. The aim of the study was to obtain data on the membrane-like component of the anterior corneal epithelium. The material for the study was the eyes of a domestic pig (Sus scrofa domesticus). The method of the study was light microscopy. As a result of studying the sagittal cryostat sections of the cornea and imprint preparations from the surface of the cornea, the supra-epithelial layer of the anterior epithelium was visualized as a non-cellular component in the form of a film. The main elements of the film are microbubbles that outwardly resemble cell fragments and apoptotic bodies. We designated the non-cellular component as «supraepithelial film» layer. There is reason to believe that it is formed as a result of apoptosis of the surface cells of the anterior corneal epithelium in the liquid environment of the lacrimal fluid. To our knowledge, the published data are the first report of the presence of a non-cellular component in the form of a film on the surface of the anterior corneal epithelium. The structure and properties of the supraepithelial film are subject to comprehensive study to determine its role and significance in the physiology of the anterior epithelium. When discussing the nature of interference patterns on the corneal surface, the supraepithelial film present at the interface of two media (solid - anterior epithelium and liquid - lacrimal fluid), in our opinion, can be considered as the material basis of thin-film interference.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>орган зрения</kwd><kwd>роговица</kwd><kwd>передний эпителий</kwd><kwd>надэпителиальная пленка</kwd><kwd>свинья домашняя</kwd></kwd-group><kwd-group xml:lang="en"><kwd>organ of vision</kwd><kwd>cornea</kwd><kwd>corneal epithelium</kwd><kwd>supra-epithelial layer</kwd><kwd>domestic pig</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">Bron A, Tripathi R, Tripathi B. Wolff's Anatomy of the Eye and Orbit. 8th edition. Taylor &amp; Francis. 1998.- Р.752</mixed-citation><mixed-citation xml:lang="en">Bron A, Tripathi R, Tripathi B. 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