Results 171 to 180 of about 5,053 (221)
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Anticoagulant Factors from Viperidae Venoms
Thrombosis and Haemostasis, 1972SummaryTwo proteins presenting anticoagulant activities were isolated from Viperidae venoms : one from Vipera aspis, the other from Vipera berus. They interfere with the formation of prothrombinase. Their inhibitory effect results from a specific action of a complex which blocks the active sites of phospholipids.
M C, Boffa, P, Delori, J P, Soulier
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2019
Viperidae Key to Philippine genera. 1a. Some scales on head strongly keeled (Fig. 24a); second supralabial scale not in contact with scale forming anterior border of heat sensing pit................... Tropidolaemus (p. 34) 1b. Scales on head smooth (Fig.
Weinell, Jeffrey L. +3 more
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Viperidae Key to Philippine genera. 1a. Some scales on head strongly keeled (Fig. 24a); second supralabial scale not in contact with scale forming anterior border of heat sensing pit................... Tropidolaemus (p. 34) 1b. Scales on head smooth (Fig.
Weinell, Jeffrey L. +3 more
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Clinical implications of coagulotoxic variations in Mamushi (Viperidae: Gloydius) snake venoms.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 2019Snake bite is currently one of the most neglected tropical diseases affecting much of the developing world. Asian pit vipers are responsible for a considerable amount of envenomations annually and bites can cause a multitude of clinical complications ...
Jordan Debono, M. Bos, M. Do, B. Fry
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Journal of Biogeography, 2019
A number of processes can lead to weak or conflicting phylogenetic signals, especially in geographically dynamic regions where unstable landscapes and climates promote complex evolutionary histories.
A. J. Mason +5 more
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A number of processes can lead to weak or conflicting phylogenetic signals, especially in geographically dynamic regions where unstable landscapes and climates promote complex evolutionary histories.
A. J. Mason +5 more
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Diet and Feeding Ecology of Crotalus tzabcan (Serpentes: Viperidae)
South American Journal of Herpetology, 2020. The Tzabcan rattlesnake (Crotalus tzabcan) is endemic to the Yucatán Peninsula and is part of the C. durissus complex. Although relatively widespread, it is rather an uncommon species; therefore, little is known about its natural history.
R. A. Carbajal-Márquez +3 more
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Mitochondrial genome ofProtobothrops mangshanensis(Squamata: Viperidae: Crotalinae)
Mitochondrial DNA, 2013Protobothrops maolanensis was recently described from Guizhou, southwestern China. In this study, the complete mitochondrial genome of P. maolanensis had been determined. The circle genome with the 17,231 bp total length contained 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes and 2 control regions.
Xin, Huang +3 more
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Russian Journal of Herpetology, 2019
A new species of pitviper, Trimeresurus arunachalensis sp. nov., is described based on a single specimen. It differs from all known congeners by the following combination of characters — 19:17:15 acutely keeled dorsal scale rows (except first row ...
A. Captain +4 more
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A new species of pitviper, Trimeresurus arunachalensis sp. nov., is described based on a single specimen. It differs from all known congeners by the following combination of characters — 19:17:15 acutely keeled dorsal scale rows (except first row ...
A. Captain +4 more
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Zoologica Scripta, 2019
Based on the literature, we had predicted that the diversification within the Neotropical snake genus Bothrops occurred along a latitudinal gradient from north to south, with diversification into unoccupied niches through ecological opportunity, not ...
Breno Hamdan +3 more
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Based on the literature, we had predicted that the diversification within the Neotropical snake genus Bothrops occurred along a latitudinal gradient from north to south, with diversification into unoccupied niches through ecological opportunity, not ...
Breno Hamdan +3 more
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Reproductive Biology of Bothrops atrox (Serpentes, Viperidae, Crotalinae) from the Brazilian Amazon
Herpetologica, 2019Reproductive seasonality is common among snakes, with mating, pregnancy, and birth or oviposition occurring only during few months of the year and modulated mainly by two environmental phenomena—temperature and rainfall.
K. M. Silva +4 more
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2015
FAMILY VIPERIDAE Oppel 1811, 376 (7 genera, 13 species, 3 endemic species). Wallach et al. (2014) credited Gray (1825 [p. 205]) for the Viperidae. Oppel used Viperini in his key to the Ophidii. Agkistrodon Palisot de Beauvois 1799, 381 (2 species) Agkistrodon bilineatus (Günther 1863, 364). Porras et al. (2013), in their revision of A.
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FAMILY VIPERIDAE Oppel 1811, 376 (7 genera, 13 species, 3 endemic species). Wallach et al. (2014) credited Gray (1825 [p. 205]) for the Viperidae. Oppel used Viperini in his key to the Ophidii. Agkistrodon Palisot de Beauvois 1799, 381 (2 species) Agkistrodon bilineatus (Günther 1863, 364). Porras et al. (2013), in their revision of A.
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