Reptile
Mostrando 13-24 de 53 artigos, teses e dissertações.
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13. Análise de dados secundários sobre a fauna de vertebrados da unidade fitogeográfica do Vale do Paranã.
ABSTRACT: The Cerrado is one of the richest and most threatened biome in the world and its ecosystem Seasonally dry forest is the one that suffers most antropic pressure. It's important that conservation of The Paranã River Valley increases because it presents a greater amount of dry forest in the Cerrado. According to data compilation from literature, 120
Planaltina. Publicado em: 2011
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14. Nuevos registros de squamata (reptilia) para el pleistoceno superior del norte de la provincia de Buenos Aires, Argentina
In the present contribution we report several squamate reptiles which come from the Luján Formation (Upper Pleistocene), located at Merlo in the province of Buenos Aires, Argentina. Among the specimens, the first fossil record for the genus and species Anops kingii (Amphisbaenidae) is recovered. Moreover, the presence of undetermined specimens of the genera
Papéis Avulsos de Zoologia (São Paulo). Publicado em: 2011
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15. Systematization, description and territory of the middle and rostral cerebral arteries in broad-snouted caimans (Caiman latirostris)
Background: Information on the arterial vascularization of the broad-snouted caimans’ brain (Caiman latirostris), a specie from the Brazilian fauna, is inexistent and the literature consulted yielded only one description about the development of embryonic circulation and post-birth cerebrovascular alterations in the brain of three caymans. The objective of
Publicado em: 2011
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16. Molecular cloning and analysis of Myc modulator 1 (Mm-1) from Bufo gargarizans (Amphibia: Anura)
The protein of Myc modulator 1 (Mm-1) has been reported to repress the transcriptional activity of the proto-oncogene c-Myc in humans. Moreover, it was shown to be the subunit 5 of human prefoldin (PFD). So far, this gene and its homologs have been isolated and sequenced in many organisms, such as mammals and fish, but has not been sequenced for any amphibia
Zoologia (Curitiba). Publicado em: 2010-02
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17. Expressão de zif268 no cérebro do lagarto Tropidurus Hispidus após exploração de um ambiente enriquecido.
Neste trabalho, foram investigadas alterações comportamentais associadas ao aumento da expressão da proteína Zif268 em áreas telencefálicas do lagarto tropical Tropidurus hispidus correspondentes ao Hipocampo (HC) de mamíferos. Foram utilizados 13 animais machos do lagarto T. hispidus, coletados no campus da Escola Agrotécnica Federal do RN, sob a li
Publicado em: 2010
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18. Análise comparativa da dieta de quatro espécies de cucos (Aves: Cuculidae), no sul do Brasil
We studied stomachs contents of 50 specimens of four common cuckoo species (Cuculidae) from southern Brazil: Guira guira (Gmelin, 1788) (n = 21), Coccyzus melacoryphus (Vieillot, 1817) (n = 8), Crotophaga ani (Linnaeus, 1758) (n = 11), and Piaya cayana (Linnaeus, 1766) (n = 10). We measured stomach volume and prey were identified and quantified based in thei
Zoologia (Curitiba). Publicado em: 2009-09
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19. Estrutura populacional e variabilidade genética de tartaruga verde (Chelonia mydas) da região de Cananéia, São Paulo / Populational structure and genetic variability of green sea turtle (Chelonia mydas) from Cananéia, São Paulo
The green turtle, Chelonia mydas, is an endangered marine reptile that nests and forages along the Brazilian coast and oceanic islands, among other tropical areas. Due to the highly migratory and oceanic nature of these animals, ecological studies are many times difficult to carry out, and many questions about their biology remain. Molecular genetic analysis
Publicado em: 2009
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20. Aspectos anátomo-radiográficos e tempo de trânsito grastrintestinal em tracajá Podocnemis unifilis troschel, 1848 (Testudines, Podocnemididae) / Radiographic anatomy aspects and gastrointestinal transit time in tracajá Podocnemis unifilis troschel, 1848 (Testudines, Podocnemididae)
The Tracajá has herb-based diet, but it can be fed with a small quantity of animal-based food. The digestion time of these animals is influenced by both temperature and nutricion status. To understand the digestion process of food in animal organisms, studies on the gastrointestinal tract transit are necessary. The objective of this study was evaluate the r
Publicado em: 2008
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21. Diversidade morfológica e molecular e filogenia de isolados brasileiros de tripanossomas de cobras, jacarés e lagartos. / Morphological and molecular diversity and phylogeny of brazilian isolates of trypanosomes from snakes, caimans and lizards.
Tripanossomas de répteis há muito são descritos em lagartos, tartarugas, crocodilos e cobras de todos os continentes. A classificação destes tripanossomas tem sido feita de acordo com a morfologia de formas sanguíneas e hospedeiro de origem. No entanto, estes critérios tradicionais não são suficientes para descrição de espécies, gerando varias si
Publicado em: 2008
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22. Ontogenia dos ossos do esqueleto da tartaruga-da-amazônia Podocnemis expansa Schweigger, 1812 (Testudines, Podocnemididae) / Bone ontogeny of the cranium of the giant amazon river turtle podocnemis expansa schweigger, 1812 (testudines, podocnemididae)
CAPITULO 2: O cágado Podocnemis expansa está distribuído pela bacia amazônica e ocorre em quase todos os seus afluentes. O esqueleto dos vertebrados é composto de cartilagem e osso e representa o produto de células de três linhagens embrionárias distintas. O crânio é formado por células da crista neural. O conhecimento do critério biológico para
Publicado em: 2008
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23. Ontogenia dos ossos do esqueleto da tartaruga-da-amazÃnia Podocnemis expansa Schweigger, 1812 (Testudines, Podocnemididae) / Bone ontogeny of the cranium of the giant amazon river turtle podocnemis expansa schweigger, 1812 (testudines, podocnemididae)
CHAPTER 2: The freshwater turtle Podocnemis expansa is found all over the Amazon basin and appears in almost all of its tributaries. The vertebrate skeleton is composed of cartilage and bone and represents the cell product of three different embryonic lineages. The cranium is formed by cells of the neural crest. Knowledge of the biological criterion for the
Publicado em: 2008
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24. The rattlesnake Crotalus durissus terrificus (Viperidae: Crotalinae) as an experimental model to study the involvement of peptidases in the survival of spermatozoids / A cascavel Crotalus durissus terrificus (Viperidae: Crotalinae) como modelo experimental para o estudo do envolvimento de peptidases na sobrevida de espermatozóides
In the rattlesnake Crotalus durissus terrificus occurs the long-term sperm storage (LTSS), in the female tract, during the interval between mating (autumn) and ovulation (spring). Peptides and peptidases are among the main components that influence the spermatic activity in mammals. The present study aimed to characterize the presence of peptidases in C. d.
Publicado em: 2007