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| Registros recuperados: 43 | |
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| Aveiro-Lins,Gustavo; Rocha-Barbosa,Oscar; Salomão,Maria da Graça; Puorto,Giuseppe; de Castro Loguercio,Mariana Fiuza. |
| Imantodes cenchoa (Duméril, 1853) is an arboreal, nocturnal and oviparous xenodontine snake, which feeds on amphibians and lizards. It is found in Central and South America, including northern and central Brazil. In this work, we investigated the relationship between topographic anatomy and habitat in I. cenchoa. Twenty specimens (13 non pregnant females and 7 males) were examined. The topographic anatomy study was realized through observations of the internal anatomy, particularly the position and size of lung, heart, liver, left and right gonads and left and right kidneys. Results showed that all the organs are located in a posterior position in relation to the snout vent length (SVL). The centre of gravity is found at about 74% of SVL in both males and... |
| Tipo: Journal article |
Palavras-chave: Snakes; Ecomorphology; Anatomy; Allometry; Arboreality. |
| Ano: 2006 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000100009 |
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| TROIANO,J.C.; VIDAL,J.C.; GOULD,E.F.; HEKER,J.; GOULD,J.; VOGT,A. U.; SIMONCINI,C.; AMANTINI,E.; DE ROODT,A.. |
| Blood samples of 50 healthy specimens from each of the following species: Bothrops alternatus, Bothrops jararacussu, Bothrops moojeni, and Bothrops neuwiedi diporus all kept in captivity were taken to determine the hematocrit (PCV) value, red blood cell count (RBC), total leukocyte (WBC) and differential leukocyte count, thrombocyte count, mean corpuscular volume (MCV), hemoglobin concentration (HbC), mean corpuscular hemoglobin (MCH), and mean corpuscular hemoglobin concentration (MCHC). These hematological parameters were compared to those obtained from other Bothrops species. PCV values, RBC, hemoglobin, WBC count, and differential leukocyte count are within the range of values reported for other Bothrops species, while the thrombocyte count was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hematology; Snakes; Bothrops; Captivity. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79302000000200005 |
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| SILVA,R. J. DA; RODRIGUES,R. R.; STEIN,M. F. B.; SIPOLI,G. P. M.; PINHÃO,R.; LOPES,C. A. M.. |
| Two hundred and fifty-two specimens of Ochetosoma heterocoelium (Travassos, 1921) (Trematoda: Digenea: Ochetosomatidae) were detected in the mouth and esophagus of the snake Chironius exoletus (Linnaeus, 1758) (Ophidia: Colubridae) at the serpentarium of the Center for the Study of Venoms and Venomous Animals (CEVAP) of São Paulo State University (UNESP) in Botucatu, State of São Paulo, Brazil. |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Ochetosoma heterocoelium; Chironius exoletus; Snakes; Trematode. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79301999000100007 |
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| Gomes,CA; Almeida-Santos,SM. |
| Many factors influence microhabitat including climate and the occurrence of predators, prey and suitable shelters. The influence of predators in a semi-extensive breeding system is minimized due to frequent monitoring of the area. This situation enables the independent analysis of such other variables as refuges and temperature. Some specimens of the Viperidae family are kept in a semi-extensive breeding system at the Butantan Institute for display and study. These animals are widely distributed in the Atlantic Forest and Cerrado, two biomes with distinct climatic characteristics. We compared the daily activity pattern and microhabitat use of the species Bothrops jararaca and Crotalus durissus terrificus. Our main questions were whether rattlesnakes and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Microhabitat selection; Snakes; Thermoregulation; Viperidae. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992012000400007 |
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| Campos,Patrícia Cota; Melo,Lutiana Amaral de; Dias,Gabriel Latorre Fortes; Fortes-Dias,Consuelo Latorre. |
| Abstract The blood plasma of numerous snake species naturally comprises endogenous phospholipase A2 inhibitors, which primarily neutralize toxic phospholipases A2 that may eventually reach their circulation. This inhibitor type is generally known as snake blood phospholipase A2 inhibitors (sbPLIs). Most, if not all sbPLIs are oligomeric glycosylated proteins, although the carbohydrate moiety may not be essential for PLA2 inhibition in every case. The presently known sbPLIs belong to one of three structural classes – namely sbαPLI, sbβPLI or sbγPLI – depending on the presence of characteristic C-type lectin-like domains, leucine-rich repeats or three-finger motifs, respectively. Currently, the most numerous inhibitors described in the literature are sbαPLIs... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: PLA2 inhibitor; Phospholipase A2; Snake blood; Natural resistance; Snakes. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992016000100204 |
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| Luna,KPO; da Silva,MB; Pereira,VRA. |
| Accidents caused by snakes, especially in tropical and subtropical countries, still constitute a serious public health problem due to the lack of knowledge of health professionals and the precariousness of health systems in the regions where most accidents occur. Snake venoms contain a range of molecules that may provoke local swelling, pain, renal and respiratory insufficiencies. The study of the effects of each molecule on humans can help the development of complementary therapy. Similarly, the knowledge of clinical aspects of envenomations provides a better identification and implementation of appropriate treatment. In addition, to understand Bothrops envenomations and improve the therapeutic strategy, it is necessary to understand and study the role of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Snakes; Envenomations; Clinical aspects; Immunology. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992011000200003 |
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| Silva,TB.; Rossellini,M.; Dal Pai Silva,M.; Silva,RJ.. |
| The aim of this study was to evaluate the morphology of the species Sticholecitha serpentis Prudhoe, 1949 by means of histological procedures. Helminths were previously fixed in Railliet & Henry solution, uncompressed and were included in 2-hydroxyethyl-methacrylate. Longitudinal and transverse serial sections with a 4-mum thickness were performed in a microtome (Leica RM 2165), stained with haematoxylin-eosin and then analyzed in a computerized image analysis system (Qwin Lite 2.5, Leica). Structures of systematic value, such as oral sucker, acetabulum, prepharynx, pharynx, esophagus, intestinal caeca, vitelline glands, ovary, uterus, cirrus pouch and testicles were described. Structures that were poorly visible in total preparations were also... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sticholecitha serpentis; Digenea; Bothrops moojeni; Snakes; Brazil. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992005000400010 |
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| Ferreira Júnior,R.S.; Barravieira,B.. |
| Snake envenoming is a major problem both to veterinary and human medicine in tropical countries due to high incidence, severity, and sequelae. In Brazil, most envenomings involving animals are caused by Bothrops and Crotalus snakes; these are the highest risk to animals. This study reports on Bothrops and Crotalus envenomings in dogs, the main species responsible for epidemiology, pathogenesis, venom action, clinical signs, sequelae and complications, clinical pathology, necropsy findings, diagnosis, and treatment. Veterinarians must be capable of identifying the snake not only by observing its characteristics but also symptom evolution. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Snakes; Bothops; Crotalus; Dog. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992004000200002 |
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| Fortes-Dias,Consuelo L.; Macedo,Diego Henrique Fagundes; Barbosa,Rafaella Pereira; Souza-Silva,Gabriel; Ortolani,Paula Ladeira. |
| Abstract Background: Endogenous phospholipase A2 inhibitors from snake blood (sbPLIs) have been isolated from several species around the world, with the primary function of self-protection against the action of toxic phospholipases A2. In American snakes, sbPLIs were solely described in pit vipers, in which the natural protection role is justified. In this study, we described a sbPLI in Boa constrictor (popularly known as jiboia), a non-venomous snake species from America. Methods: PLA2 inhibitory activity was tested in the blood plasma of B. constrictor using C. d. terrificus venom as the enzyme source. Antibodies developed against CNF, a sbγPLI from Crotalus durissus terrificus, were used to investigate the presence of homologues in the blood plasma... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Phospholipase A2 inhibitor; Phospholipase A2; Boidae; Snakes; Rattlesnake venom. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992020000100305 |
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| Céspedes,N; Castro,F; Jiménez,E; Montealegre,L; Castellanos,A; Cañas,CA; Arévalo-Herrera,M; Herrera,S. |
| Crotalus durissus cumanensis, a rattlesnake endemic to Colombia and Venezuela, is considered one of the most lethal snake species in Latin America. The aim of the present study was to compare the protein content and biological activity of the venom obtained from eight specimens of C. durissus cumanensis, namely two adults from different localities of Colombia and six offspring born in captivity. Protein profiles of crude venoms were analyzed by SDS-PAGE and RP-HPLC, and biological activities were evaluated for lethality, edema, defibrination, hemolytic and coagulant activities to assess individual venoms of adults and a pool of young snake venoms. Transient edema appeared rapidly after venom inoculation, whereas hemorrhagic effect was not observed.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Snakes; Crotalus durissus cumanensis; Rattlesnake; Venom. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000200009 |
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| Elífio-Esposito,S. L.; Hess,P. L.; Moreno,A. N.; Lopes-Ferreira,M.; Ricart,C. A. O.; Souza,M. V.; Hasselman-Zielinski,F.; Becker,J. A.; Pereira,L. F.. |
| Purification of a lectin from Bothrops jararacussu venom (BjcuL) was carried out using agarose-D-galactose affinity gel. MALDI-TOF gave a major signal at m/z 32028, suggesting the presence of a dimmer composed of two identical subunits. Divalent cations were required for the lectin activity, as complete absence of such ions reduced hemagglutination. BjcuL was more effective at neutral pH and showed total loss of activity at pH values below 4.0 and above 9.0. Its agglutinating activity remained stable at 25°C until 60min, but increased when at 35°C for at least 15min. Adhesion assays to extracellular matrix (ECM) glycoproteins showed that the biotinylated lectin (0.039-5.0µg/100µl) was capable of binding to fibronectin and vitronectin in a dose-dependent... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Venoms; Fibronectins; Vitronectin; Snakes; Intravital microscopy; Leukocytes. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992007000400009 |
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| Luiselli, Luca; Angelici, Francesco M.; Akani, Godfrey C.. |
| Several aspects of the ecology of Jameson’s green mamba Dendroaspis jamesoni jamesoni (Traill, 1843), a large-sized arboreal elapid snake, are studied in southern Nigeria. This species 18 common and widespread in the region studied. On the basis of the analysis of both the habitats of capture of the various specimens and the results of a logistical regression model, it seems that this species inhabits a wide variety of habitats (including secondary forest patches and the plantation-forest mosaic), and that its local distribution is not influenced by the Presence of any macrohabitat parameter. Green mambas were observed both in the dry and in the wet season, without any statistical bias toward a particular season. Adult sex-ratio was aPproximately 1 : 1.... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Elapidae; Snakes; Ecology; Nigeria. |
| Ano: 2000 |
URL: http://www.repository.naturalis.nl/record/534327 |
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| Bosch, H.A.J. in den. |
| A checklist with concise synonymy and a key to the snakes of Sulawesi is presented, comprising 63 species in 38 genera; 3 subspecies and 15 species, of which one constitutes a monotypic genus, are considered endemic. There is a strong Indo-Malayan relationship. Sea-snakes and Candoia carinata excluded, no Philippine, Papuan or Australian affinities were found. Geological and ecological barriers, together with a low immigration pressure from the south and east, are considered causal factors. Although Sulawesi has been an instable island region at least since the Late Cretaceous as compared with most surrounding islands, which were parts of Sundaland or Sahulland and as such were formed relatively recently, the species richness in Wallacea is of the same... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Snakes; Checklist; Key; Species; Sulawesi; Indopacific region; Biogeography.; 42.82. |
| Ano: 1985 |
URL: http://www.repository.naturalis.nl/record/317584 |
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| Registros recuperados: 43 | |
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