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      Ultrastructure of Babesia equi trophozoites isolated in Minas Gerais, Brazil Translated title: Ultra-estrutura de trofozoítos de Babesia equi isolados em Minas Gerais, Brasil

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          Abstract

          A transmission electron microscope study was carried out on Babesia equi obtained from a splenectomized horse, from the municipality of Santa Luzia, Minas Gerais, Brazil. The isolate was inoculated into two splenectomized foals (1.05 x 10(10) parasitized erythrocytes by B. equi). Trophozoites have a single membrane in direct contact with the cytoplasm of the red blood cells, a prominent nucleus, well-developed rough and smooth endoplasmic reticulum, numerous free ribosomes and small food vacuoles. B. equi trophozoites have a cytostome and a long tubular feeding structure in direct contact with the blood plasma.

          Translated abstract

          Neste estudo de microscopia eletrônica de transmissão utilizou-se um isolado de Babesia equi obtido a partir de um eqüino esplenectomizado, oriundo do município de Santa Luzia, Minas Gerais, Brasil. O isolado foi inoculado em dois potros esplenectomizados (1,05 x 10(10) eritrócitos parasitados com B. equi). Os trofozoítos apresentaram uma membrana simples em contato direto com o citoplasma das hemácias, núcleo proeminente, retículo endoplasmático liso e rugoso bem desenvolvidos, numerosos ribosomos livres e pequenos vacúolos alimentares. Em trofozoítos de B. equi foi observado citostoma e uma longa estrutura tubular de alimentação em contato direto com o plasma sangüíneo.

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          Equine piroplasmosis: a review.

          This review focuses on equine piroplasmosis with specific reference to its distribution, diagnosis and clinical and pathological signs. The more common used drugs are discussed both with reference to treatment and chemosterilization. Areas requiring further research are also briefly mentioned.
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            Plasmodium: The fine structure of malarial parasites

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              Comparative feeding mechanisms of avian and primate malarial parasites.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                pvb
                Pesquisa Veterinária Brasileira
                Pesq. Vet. Bras.
                Colégio Brasileiro de Patologia Animal - CBPA (Rio de Janeiro )
                1678-5150
                September 2003
                : 23
                : 3
                : 101-104
                Affiliations
                [1 ] Universidade Federal de Lavras Brazil
                [2 ] Universidade Federal de Minas Gerais Brazil
                Article
                S0100-736X2003000300002
                10.1590/S0100-736X2003000300002
                175284aa-2441-4350-9739-6600bad130fe

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

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-736X&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                Babesia equi,ultrastructure,trophozoites,feeding mechanism,ultra-estrutura,trofozoítos,mecanismos de alimentação

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