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11 results for “ultrastructural”
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Research ArticleOpen accessEvery word in the titleUltrastructural Changes in the Ileum of White BALB/C Mice Experimentally Infected with Salmonella hadarAfaf Abdulrahman Yousif, Maan M. Neima AL-NaqeebProblem statement: Recently, Salmonella hadar has been isolated and identified from goat in Iraq. The purpose of the present study was to investigate the ultrastructural changes in the ileum epithelial cells of mice experimentally infected with Salmonella hadar. Approach: The white BALB/c mice inoculated orally with Salmonella enterica serovar hadar strain and their ileums were examined by transmission electron microscopy … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 3 · 30 Sep 2010 · 7,117 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUltrastructural and Circadian Morphometric Characteristics of Rat Pinealocytes Under Physiological and Toxic ConditionsAnna I. Anurkina, David A. Areshidze, Maria A. Kozlova, Valery P. ChernikovCarbon tetrachloride (CCl₄) exhibits pronounced neurotoxic effects following acute or chronic exposure. Recent studies indicate that the pineal gland responds to CCl₄ intoxication by altering its secretory function, although detailed ultrastructural changes in pinealocytes remain inadequately investigated. This research addresses the urgent need to elucidate the mechanisms of CCl₄ toxicity on the pineal gland, which could contribute to developing strategies … …OnLine Journal of Biological Sciences, Vol. 26, Issue 2 · 1 Jun 2026 · 1,174 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUltrastructural Morphology of the Muscle System Organization in the Trematode Typhlocoelium cucumerinumIrina Yurievna Chidunchi, Ainagul Balgauovna Kaliyeva, Natalya Petrovna Korogod et al.Trematodes, also known as flatworms, are a diverse group of parasitic organisms that live in a variety of ecosystems, from freshwater to marine habitats. Their complex life cycle often involves intermediate and definitive hosts and multiple developmental stages. Trematodes have unique morphological features that allow them to adapt, move and parasitize within host tissues and organs. The parasitic lifestyle of … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 1 Jun 2024 · 5,116 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUltrastructural Organization of the Muscular System Body of the Trematode Schistogonimus RarusIrina Yurievna ChidunchiIt is known that parasitic flatworms of the class Trematoda have a unique complex life cycle, and have morphological features of adaptation, movement, and existence in the host body. Functional peculiarities of the parasitic way of life are conditioned by the developed muscular system, due to which there is movement and attachment of the snail to various organs of the … …OnLine Journal of Biological Sciences, Vol. 24, Issue 1 · 16 Nov 2023 · 4,858 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUltrastructural Evidences of Hepatitis B Infection in Human Liver Biopsies Disclose Complex Assembly and Morphogenesis Pathways for Hepatitis B VirusViviana Falcon, Ivon Menéndez, Nelson Acosta-Rivero et al.Despite of recent advances on acknowledge of hepatitis B virus (HBV) structure and biology, little is known about the morphogenesis and release of virions. In this study, the ultrastructural analysis of HBV components in liver biopsies from chronically HBV-infected patients disclosed complex assembly and morphogenesis pathways for HBV. HBV core (HBcAg) and surface (HBsAg) antigens were specifically identified in all … …American Journal of Infectious Diseases, Vol. 4, Issue 2 · 30 Jun 2008 · 7,094 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStudy of the Mandibular Glands of Ant Workers Atta sexdens rubropilosa (Forel, 1908) (Hymenoptera: Formicidae) Focusing the Ultrastructural CytochemistryLorena Favaro Pavon, Maria Izabel Camargo MathiasThe mandibular glands of hymenopterans in general are paired structures located on each side of the head. These glands possess an excretory duct located at the internal surface of the mandible articulation, through which these glands release the secretion they produce. The mandibular glands of the minima, media and soldier worker of the ant Atta sexdens rubropilosa were analyzed by … …American Journal of Agricultural and Biological Sciences, Vol. 1, Issue 2 · 30 Jun 2006 · 7,648 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Ultrastructural Study of Endoplasmic Reticulum of Mammary Secretory Cells in Rabbits During Lactation and Regression StagesSvatoslav Hluchy, Robert TomanThe objective of the research was to study the changes of the Endoplasmic Reticulum (ER) in mammary epithelial cells of rabbits during lactation and regression stages. Our results using conventional transmission electron microscopy has shown that ER is changed during the various mammary gland development stages. We found that the average relative volume of ER achieves 17.7±2.464% of cytoplasm volume … …American Journal of Animal and Veterinary Sciences, Vol. 9, Issue 4 · 15 Dec 2014 · 7,326 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUltrastructural and Immunological Characterization of Hepatitis C Core Protein-DNA Plasmid ComplexesNelson Acosta-Rivero, Yaraima Aguilera, Viviana Falcon et al.Recently, it has been shown that a truncated HCV core (HCcAg) variant, covering the first 120 aa (HCcAg.120), interacts with plasmid DNA vaccine (pIDKE2), encoding the HCV structural proteins (HCcAg, E1 and E2). In the present work, HCcAg.120-pIDKE2 complexes, forming heterogeneous packaged structures, were visualized using a negative stain/rotary shadow technique. Interestingly, 72 hours after intramuscular injection of HCcAg.120-pIDKE2 complexes … …American Journal of Immunology, Vol. 2, Issue 3 · 30 Sep 2006 · 6,746 accessesView PDFCite
Research ArticleOpen accessIn the abstractFunctional Role of Vitelline Glands and Mehlis Gland in the Process of Resistant Egg Shell Formation in TrematodesRimma UaliyevaThe study of the functional morphology of the reproductive system of trematodes, as well as its individual parts, provides an opportunity to solve an important problem that plays a huge role in theoretical and practical terms as the directed regulation of the fecundity of endoparasites. The article is devoted to the study of the functional role of vitelline glands and … …OnLine Journal of Biological Sciences, Vol. 23, Issue 2 · 28 Feb 2023 · 6,371 accessesView PDFCite
Research ArticleOpen accessIn the abstractSome Morphologic Features of Heart Failure with Different EtiologyDmitrij Arkadievich OleynikovDilated Cardiomyopathy (DCM) and Chronical Degenerative Valvular Disease (CDVD) are very common in dogs nowadays. However, due to modern level in oncology we can meet chemotherapy-induced cardiomyopathies more often. We have lack of information about pathogenic mechanisms underlying doxorubicin-induced cardiomyopathy (DoxCM) and features differentiating it from CDVD and DCM. The study population consisted of 46 dogs of different age, sex … …American Journal of Animal and Veterinary Sciences, Vol. 12, Issue 2 · 20 May 2017 · 7,334 accessesView PDFCite