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A histochemical and immunohistochemical study on the gastrointestinal tract of sparrowhawk (Accipiter nisus) / Estudio histoquímico e inmunohistoquímico del tracto gastrointestinal del gavilán (Accipiter nisus)
Kara, Hülya; Balkaya, Hülya.
  • Kara, Hülya; Atatürk University. Faculty of Veterinary Medicine. Department of Anatomy. Erzurum. TR
  • Balkaya, Hülya; Atatürk University. Faculty of Veterinary Medicine. Department of Anatomy. Erzurum. TR
Int. j. morphol ; 40(1): 242-250, feb. 2022. ilus, tab
Article in English | LILACS | ID: biblio-1385577
ABSTRACT

SUMMARY:

In the present study, we aimed to determine the localization and distribution of entero-endocrine cells in the gastrointestinal tract by immunohistochemical methods and understand the structure of the glycoproteins elaborated by the epithelium the digestive tract regions by histochemical methods. The nine sparrowhawks were euthanized, and gastrointestinal tract tissues were removed and fixed in formalin. The gastrointestinal tract sections were stained with immunohistochemical and histochemical techniques to evaluate the enteroendocrine cells and histomorphometric analysis. The results showed that the numbers of somatostatin in the ventriculus, gastrin in the proventriculus, serotonin in the duodenum and jejunum immunopositivity are higher, remaining segments of the gastrointestinal tract are detected slight positivity in the glucagon, gastrin, serotonin, and somatostatin. In conclusion, some endocrine cells localization and distribution and histomorphometry, and goblet cell counts were revealed in the gastrointestinal tract of the sparrowhawks.
RESUMEN
RESUMEN El objetivo del presente estudio fue determinar la localización y distribución de células enteroendocrinas en el tracto gastrointestinal de gavilán, a través de métodos inmunohistoquímicos y comprender la estructura de las glicoproteínas elaboradas por el epitelio de las regiones del tracto digestivo. Se sacrificaron nueve gavilanes y los tejidos del tracto gastrointestinal se extrajeron y se fijaron en formalina. Las secciones del tracto gastrointestinal se tiñeron con técnicas inmunohistoquímicas e histoquímicas para evaluar las células enteroendocrinas y se realizó análisis histo-morfométrico. Los re- sultados indicaron que los números de inmunopositividad de somatostatina en el ventrículo, gastrina en el proventrículo, serotonina en el duodeno y yeyuno son más altos, en los segmentos restantes del tracto gastrointestinal, se detecta además una ligera positividad de glucagón, gastrina, serotonina y somatostatina. En conclusión en el tracto gastrointestinal de gavilán se observó cierta localización y distribución de células endocrinas e histomorfometría, y recuentos de células caliciformes.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Enteroendocrine Cells / Gastrointestinal Tract / Falconiformes Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2022 Type: Article Affiliation country: Turkey Institution/Affiliation country: Atatürk University/TR

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Full text: Available Index: LILACS (Americas) Main subject: Enteroendocrine Cells / Gastrointestinal Tract / Falconiformes Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2022 Type: Article Affiliation country: Turkey Institution/Affiliation country: Atatürk University/TR