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      Estereología Comparativa entre el Bazo del Cuye (Cavia porcellus) y la Rata (Rattus novergicus, Sprague Dawley) Translated title: Comparative Stereology between the Spleen of the Guinea Pig (Cavia porcellus) and the Rat (Rattus novergicus, Sprague Dawley)

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          Abstract

          El bazo es el órgano linfático periférico más grande del organismo y conocer sus aspectos morfológicos cuantitativos es importante para determinar posibles patologías. El objetivo del estudio fue determinar en dos especies: cuye (Cavia porcellus) y rata (Rattus novergicus Sprague Dawley), las características estereológicas del bazo, para obtener patrones de normalidad cuantitativos, los que servirán de base para futuros estudios morfofuncionales. Se utilizaron 5 bazos de cada especie, clínicamente sanos, obtenidos del Bioterio de la Universidad de La Frontera, Temuco, Chile. Los bazos fueron disecados y fijados en formalina tamponada al 10% y se determinó el volumen de éstos por el método de Scherle. Se obtuvieron 5 trozos por medio de Orientador los que fueron incluidos en paraplast. De cada trozo se obtuvieron 5 cortes histológicos de 3 µm de grosor y separados 200 µm entre sí, los cuales fueron teñidos con H-E. El porcentaje de pulpa roja, pulpa blanca y zona marginal en el bazo del cuye fue: 65,14%, 21,96% y 12,67%, respectivamente, y en la rata 53,9% de pulpa roja, 25,75% pulpa blanca y 15,87% de zona marginal. El número total de folículos fue 8,33 x 10² y 5,73x 10² para el cuye y la rata, respectivamente. Los resultados concuerdan con los obtenidos por otros autores, pudiéndose señalar un patrón cuantitativo del porcentaje de los compartimentos esplénicos de normalidad, que se podría considerar para futuros estudios morfo-funcionales.

          Translated abstract

          The spleen is the largest peripheral lymphoid organ of the body so it is essential to know their morphological quantitative aspects in order to identify potential abnormalities. The aim of this study was to determine the parameters stereological spleen in normal two species coµmonly used in research such as the guinea pig and rat, to obtain quantitative patterns of normality, which will serve as a basis for future studies morphofunctional. 5 spleens were used for each species (Cavia porcellus and Rattus novergicus, Sprague Dawley) obtained from biotery the Universidad de La Frontera, Temuco, Chile. The spleens were dissected and fixed in formalin buffered to 10% and the volume is determined by the of Scherle method. 5 pieces were obtained through Orientator and these were included in paraplast. Each piece was performed histological cuts of 3 mm thick and separated 200 µm each other, which were stained with H-E. The percentage of redpulp, whitepulp and marginal zone in the Guinea pig was: 65.14%, 21.96% and 12.67% respectively, and in the rat 53.9% pulpred, 25.75% whitepulp and 15.87% of marginal zone.The total number of follicles was 8.33 x 10²follicles and 5.73 x 10² follicles for the Guinea pig and rat, respectively. The results are consistent with those obtained by other authors might identify a pattern of quantitative percentage of splenic compartments of normality that could be considered for future studies morpho-functional.

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          The Guinea Pig (Cavia porcellus)

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            Stereologic study of splenic tissue compartments from traumatically y injured and cancer patients

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              Effects of cis-Diammine-dichloroplatinum II (Cisplatin) on the splenic tissue of rats: a Histoquantitative study

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                ijmorphol
                International Journal of Morphology
                Int. J. Morphol.
                Sociedad Chilena de Anatomía (Temuco )
                0717-9502
                September 2008
                : 26
                : 3
                : 529-532
                Affiliations
                [1 ] Universidad de Magallanes Chile
                [2 ] Universidad de la Frontera Brazil
                [3 ] Universidad Autónoma de Chile Chile
                Article
                S0717-95022008000300003
                10.4067/S0717-95022008000300003
                f484166b-4d23-43a8-885a-3f74e4f608db

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Chile

                Self URI (journal page): http://www.scielo.cl/scielo.php?script=sci_serial&pid=0717-9502&lng=en
                Categories
                ANATOMY & MORPHOLOGY

                Anatomy & Physiology
                Spleen,Stereology,Guinea pig,Rat,Estereología,Bazo,Cuye,Rata
                Anatomy & Physiology
                Spleen, Stereology, Guinea pig, Rat, Estereología, Bazo, Cuye, Rata

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