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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">ivm</journal-id><journal-title-group><journal-title xml:lang="ru">Международный вестник ветеринарии</journal-title><trans-title-group xml:lang="en"><trans-title>International Journal of Veterinary Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2419</issn><publisher><publisher-name>SpbGUVM Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52419/issn2072-2419.2023.2.86</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-1228</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>ИНВАЗИОННЫЕ БОЛЕЗНИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INVASIVE DISEASE</subject></subj-group></article-categories><title-group><article-title>Морфология внутренних органов и гемолимфы пауковптицеедов Pterinochilus Murinus RCF (Araneae: Theraphosidae)</article-title><trans-title-group xml:lang="en"><trans-title>Morphology of internal organs and hemolymph of the bird-eating spiders Pterinochilus Murinus RCF (Araneae: Theraphosidae)</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>Мехова</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mekhova</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к. вет. н., доцент </p><p>Витебск </p></bio><bio xml:lang="en"><p>PhD, veterinary medicine </p><p>Vitebsk</p></bio><email xlink:type="simple">mechovaolga80@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Саломатин</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Salomatsin</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент</p><p>Витебск </p></bio><bio xml:lang="en"><p>student</p><p>Vitebsk </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>УО ВГАВМ</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Vitebsk State Academy of Veterinary Medicine</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>06</month><year>2023</year></pub-date><volume>0</volume><issue>2</issue><fpage>86</fpage><lpage>95</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мехова О.С., Саломатин М.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Мехова О.С., Саломатин М.А.</copyright-holder><copyright-holder xml:lang="en">Mekhova O.S., Salomatsin M.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://vetjournal.spbguvm.ru/jour/article/view/1228">https://vetjournal.spbguvm.ru/jour/article/view/1228</self-uri><abstract><p>Целью исследования явилось изучение морфологических и гистологических особенностей внутренних органов и состава гемолимфы пауков-птицеедов Pterinochilus murinus RCF (Araneae: Theraphosidae). Для гистологического исследования были использованы 5 особей пауков-птицеедов семейства Pterinochilus murinus RCF, в возрасте L6 (шестая линька). Морфологические исследования тканей, органов и популяции гемоцитов проводились с использованием световой микроскопии. Были представлены макроскопические фото сердца, печени, лимфоидных органов с описанием их формы, строения и топографии. Биоматериал был обработан в соответствии с методикой приготовления гистологических препаратов, которая включала фиксацию, промывку, дегидратацию, заливку в ксилол, заливку в парафин, приготовление гистологических срезов, депарафинирование и окраска гематоксилином и эозином. Были описаны ткани и отдельные морфологические клеточные структуры сердца, печени, лимфоидных органов пауков-птицеедов. Также были приготовлены мазки гемофлимфы пауков, которые в дальнейшем были зафиксированы на предметном стекле и окрашены методом Романовского-Гимзе. Гемолимфа беспозвоночных животных выполняет все необходимые для организма функции. В процессе исследования были выделены несколько типов гемоцитов, которые классифицировались, прежде всего, в зависимости от морфологических характеристик (размеры клеток, форма, наличие или отсутствие внутриклеточных включении и их характеристика), способности воспринимать красители и интенсивность окрашивания различных морфологических структур клеток. Терминология описываемых гистологических структур органов приводилась в соответствии с Международной гистологической номенклатурой. Получены данные об особенностях морфологии органов, гистологической структуре тканей и клеток пауков-птицеедов, позволяют расширить представление о представителях вида Pterinochilus murinus RCF.</p></abstract><trans-abstract xml:lang="en"><p>The goal of the research was to study the morphological and histological properties of the internal organs and the hemolymph content of tarantula Pterinochilus murinus RCF (Araneae: Theraphosidae). For histological examination, 5 tarantulas of the Pterinochilus murinus RCF species, at the age of L6 (the sixth molt), were used. Morphological studies of tissues, organs, and hemocyte populations were carried out using light microscopy. Macroscopic photos of the heart, liver, lymphoid organs were presented with a description of their shape, structure and topography. The biomaterial was processed in accordance with the method of preparation of histological preparations, which included fixation, washing, dehydration, xylene and paraffin embeddings, preparation of histological sections, deparaffinization and staining with hematoxylin and eosin. Tissues and individual morphological cellular structures of the heart, liver, and lymphoid organs of tarantulas have been described. Also, smears of the spider hemolymph were made, which were fixed on a glass slide and stained by the Romanovsky-Giemsa method. The hemolymph of invertebrates is able to perform all the organism functions. During the study, several types of hemocytes were identified, which were classified primarily depending on morphological characteristics (cell size, shape, presence or absence of intracellular inclusions and their characteristics), the ability to be stained and the staining intensity of various morphological cell structures. The terminology of the described histological structures was given in accordance with the International Histological Nomenclature. Information about morphology of the organs, histological structure of the tissues and cells of tarantulas has been obtained expanding the knowledge of the Pterinochilus murinus RCF species.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пауки-птицееды</kwd><kwd>Pterinochilus murinus RCF</kwd><kwd>гемоциты</kwd><kwd>гемолифа</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tarantula</kwd><kwd>Pterinochilus murinus RCF</kwd><kwd>haemocyte</kwd><kwd>haemolymph</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">Большой практикум по зоологии беспозвоночных. Типы: Кольчатые черви, Членистоногие: Учеб.пособие для студентов биолог. спец. Ун-тов. Ч. 2 / А.В. Иванов [и др.]. – 3-е изд., перераб. и доп. – М.: Высш. 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