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      Infeccion natural de Speothos venaticus (Carnivora: Canidae) por estadios adultos de Lagochilascaris sp. Translated title: Natural infection of Speothos venaticus (Carnívora: Canidae) by adult Lagochilascaris sp.

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          Abstract

          Un ejemplar adulto macho de Speothos venaticus Lund, 1842 fue muerto accidentalmente en una vía de penetración rural, situada en la región Noroeste del Estado Bolívar, Venezuela, en el Municipio donde desde hace 16 años vive una paciente con lagochilascariasis. El animal conservado durante un mes por congelación y desprovisto de su piel y cabeza fue autopsiado, hallándose en la tráquea dos especímenes adultos hembras y grávidos de Lagochilascaris sp., los cuales presentaban algunas características morfológicas de sus partes blandas diferentes a Lagochilascaris minor Leiper, 1909; entretanto, distintivos estables como son la forma de los interlabios, la localización de la vulva y particularmente el tamaño y número de las depresiones de la cáscara de los huevos, inclinan a pensar que se trata de aquel parásito, a pesar de no haberse hallado vermes machos que permitiesen el estudio de las espículas y su ducto eyaculador. Fueron localizadas en cortes histológicos de laringe y tráquea profundamente situadas, secciones de formas degeneradas con características atribuíbles a Lagochilascaris sp.

          Translated abstract

          An adult male Speothos venaticus Lund (bush dog) was found killed on a rural road in the Northeast of Bolívar State, in a locality where a patient with lagochilascariasis has lived for the past 16 years. The animal was frozen for 1 month, and after removal of the head and skin, was autopsied. Two adult gravid females of Lagochilascaris sp. were found in the trachea. Certain morphological characteristics of the soft parts differed from the description given for Lagochilascaris minor Leiper, 1909; however, stable characters, such as the form of the interlabials, the location of the vulva, and particulary the size and number of depressions of the egg shell appear to indicate that the worms are of the above mentioned species. Unfortunately, no males were found for study of the spicules and ejaculatory duct. In histological sections of the larynx and the trachea from the deep tissues, parts of degenerated worms were found, with characteristics attributable to Lagochilascaris sp.

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          Author and article information

          Contributors
          Role: ND
          Role: ND
          Journal
          rimtsp
          Revista do Instituto de Medicina Tropical de São Paulo
          Rev. Inst. Med. trop. S. Paulo
          Instituto de Medicina Tropical (São Paulo )
          1678-9946
          December 1991
          : 33
          : 6
          : 451-458
          Affiliations
          [1 ] Universidad de Oriente Venezuela
          Article
          S0036-46651991000600005
          10.1590/S0036-46651991000600005
          1844975
          156a2da3-9dd6-424a-a384-f7e172df6d6e

          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=0036-4665&lng=en
          Categories
          TROPICAL MEDICINE

          Infectious disease & Microbiology
          Lagochilascaris sp.,Infección natural,Speothos venaticus,Hospedador definitivo

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