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dc.contributor.advisorRamírez Chaves, Héctor Emilio
dc.contributor.authorEcheverry Pérez, Juan Sebastián
dc.date.accessioned2023-06-27T15:50:58Z
dc.date.available2023-06-27T15:50:58Z
dc.date.issued2023-06-27
dc.identifier.urihttps://repositorio.ucaldas.edu.co/handle/ucaldas/19509
dc.descriptionIlustraciones, fotosspa
dc.description.abstractspa:Los reptiles son vertebrados de distribución mundial, con una alta diversidad en el territorio colombiano representada principalmente por serpientes y lagartos. Históricamente, el dimorfismo sexual de los reptiles se ha basado en la evaluación de características anatómicas secundarias y mediante el uso de técnicas como sondeo cloacal y eversión manual o hidrostática de hemipenes. Por otra parte, los reportes dietarios y reproductivos de los reptiles se obtienen por observaciones directas o disecciones de especímenes en colecciones biológicas. La radiología es una herramienta no invasiva, de bajo costo, con una alta sensibilidad diagnóstica y que permite una evaluación ulterior de la imagen obtenida que, para reptiles, ha sido bien estandarizada y puede aportar información anatómica y de historia natural. Basados en lo anterior, esta investigación empleó radiografías simples de 242 especímenes de 63 taxones depositados en el Museo de Historia Natural de la Universidad de Caldas (MHN-UCa), Colombia. Los rayos-X obtuvieron una sensibilidad diagnóstica destacada, generando aportes nuevos y de relevancia como información biológica para los reptiles del Neotrópico. Entre los resultados se destacan los conteos de vertebras, la visualización de hemipenes mineralizados que son claves para análisis de dimorfismo y sexaje de los especímenes preservados, evidencia de la presencia, morfología y cantidad de huevos en 8 especies de reptiles y, la identificación de presas como roedores, anuros, lagartos, aves y otras serpientes. Finalmente, se encontró colmillos propios contenidos en los tractos digestivos de 4 especies de serpientes.spa
dc.description.abstracteng:Reptiles are vertebrates distributed worldwide, with a high diversity in the Colombian territory mainly represented by snakes and lizards. Historically, sexual dimorphism in reptiles has been based on evaluation of secondary anatomical features and through the use of techniques such as cloacal probing and manual or hydrostatic eversion of hemipenis. On the other hand, the dietary and reproductive reports of reptiles have been obtained by direct observations or dissections of specimens in biological collections. Radiology is a noninvasive, low-cost tool with high diagnostic sensitivity and which allows further evaluation of the image obtained which, for reptiles, has been well standardized and can provide anatomical and natural history information. Based on the above, this research used plain radiographs of 242 specimens of 63 taxa deposited at the Natural History Museum of the University of Caldas (MHN-UCa), Colombia. X-rays obtained outstanding diagnostic sensitivity, generating new and relevant contributions as biological information for Neotropical reptiles. Among the results, the vertebrae count, the visualization of mineralized hemipenes that are key for analysis of dimorphism and sexing of the preserved specimens, evidence of the presence, morphology and number of eggs in 8 species of reptiles and the identification of prey stand out like rodents, anurans, lizards, birds and other snakes. Finally, own fangs were found contained in the digestive tracts of 4 snake species.eng
dc.description.tableofcontents1. Materiales y Métodos / 1.1 Técnica radiológica / 1.2 Variación anatómica y dimorfismo sexual / 1.3 Historia natural / 2. Resultados / 2.1 Técnica radiológica / 2.2 Variación anatómica y dimorfismo sexual / 2.3 Historia natural / 3. Discusión / 3.1 Técnica radiológica / 3.2 Variación morfológica y dimorfismo sexual / 3.3 Historia natural / 3.3.1 Dieta / 3.3.2 Huevos / 4. Conclusiones y recomendaciones / 5. Anexosspa
dc.format.mimetypeapplication/pdfspa
dc.language.isoengspa
dc.language.isospaspa
dc.titleTécnicas radiológicas para el estudio de la variación anatómica, dimorfismo sexual e historia natural de reptiles del Neotrópico: ensayos con especímenes de museospa
dc.typeTrabajo de grado - Pregradospa
dc.contributor.hostingInstitutionCentro de Especialistas Veterinarios
dc.contributor.researchgroupGEBIOME Genética, biodiversidad y manejo de ecosistemas (Categoría A1)spa
dc.description.degreelevelUniversitariospa
dc.identifier.instnameUniversidad de Caldasspa
dc.identifier.reponameRepositorio Institucional Universidad de Caldasspa
dc.identifier.repourlhttps://repositorio.ucaldas.edu.co/spa
dc.publisher.facultyFacultad de Ciencias Exactas y Naturalesspa
dc.publisher.placeManizalesspa
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.subject.proposalDietasspa
dc.subject.proposalHemipenesspa
dc.subject.proposalHuevosspa
dc.subject.proposalMorfologíaspa
dc.subject.proposalRadiografíaspa
dc.subject.proposalReptiliaspa
dc.subject.unescoReptil
dc.type.coarhttp://purl.org/coar/resource_type/c_7a1fspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/bachelorThesisspa
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dc.description.degreenameBiólogo(a)spa
dc.publisher.programBiologíaspa
dc.description.researchgroupEstudios sobre biodiversidad y gestión integral de los recursos naturalesspa
dc.rights.coarhttp://purl.org/coar/access_right/c_14cbspa


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