Results 51 to 60 of about 2,177 (174)
Nuevos datos sobre Leptodeira annulata pulchriceps Duellman (Ophidia: Colubridae) en Argentina
Acta Zoológica Lilloana, 2020 Se proporcionan datos sobre la distribución de las subespecies en Argentina, basados ??en especímenes de la colección de la Fundación Miguel Lillo. También se describe la variación en el patrón de escamación y color en los ejemplares estudiados, en ...
Gustavo J. Scrocchi
doaj
Revista Peruana de Biología, 2014 A myotoxin from the venom of the snake Bothrops brazili has been purified by ion-exchange chromatography on CM-Sephadex C-50 with 0,05 M ammonium acetate buffer pH 7.
Carmen Pantigoso +2 more
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Postnatal ontogeny and the evolution of macrostomy in snakes [PDF]
, 2016 Macrostomy is the anatomical feature present in macrostomatan snakes that permits the ingestion of entire prey with high cross-sectional area. It depends on several anatomical traits in the skeleton and soft tissues, of which the elongation of gnathic ...
Scanferla, Carlos Agustín
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Revista de la Facultad de Ciencias Agropecuarias, 2016 En consideración a la elevada partición de serpientes de la familia Viperidae en accidentes ofídicos, en los que con frecuencia se registran infecciones bacterianas secundarias a la mordedura e inoculación de venenos, el presente estudio tuvo como ...
Fernando Ignacio Ortiz Suarez +3 more
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The oldest known snakes from the Middle Jurassic-Lower Cretaceous provide insights on snake evolution [PDF]
, 2015 The previous oldest known fossil snakes date from ∼100 million year old sediments (Upper Cretaceous) and are both morphologically and phylogenetically diverse, indicating that snakes underwent a much earlier origin and adaptive radiation.
Apesteguía, Sebastián +3 more
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Revista Peruana de Biología, 2013 Se ha purificado una miotoxina del veneno de la serpiente Bothrops atrox, empleando una columna de intercambio catiónico de CM-Sephadex C-50 equilibrada con buffer acetato de amonio 0,05M a pH 7.
Sergio Huatuco +2 more
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IV.—Notes on Tertiary Lacertilia and Ophidia [PDF]
Geological Magazine, 1888 A Recent examination of the remains of Tertiary Lacertilia and Ophidia preserved in the British Museum having brought to light some new facts in regard to distribution, and also indicating the necessity of revision of certain determinations of other authors, I have thought it advisable to communicate the result of my observations in a collective form.
openaire +1 more source
Hematopoiesis in snakes (Ophidia).
Folia histochemica et cytobiologica, 2003 Locations of the hematopoietic tissue have been described in the following ophidian species: Bothrops jararaca, Bothrops jararacusu, Waglerophis merremii, Elaphe teniura teniura, Boa constrictor, and Python reticulatus. Studies were carried out on perfusion fixed vertebrae, ribs, spleen, liver, thymus, and kidney.
Z, Dabrowski +6 more
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Morfometría en dos especies del género Phimophis Cope (Ophidia: Colubridae)
Acta Zoológica Lilloana, 1990 Algunos de los mejores parámetros que pueden ayudar a diferenciar entre Phimporphis vittatus y Phimorphis guerini se obtuvieron utilizando 27 mediciones de la cabeza.
Virginia Abdala
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Acta Herpetologica, 2012 In this study, sexual dimorphism and dorsal patterns were investigated in Latifi’s viper (Montivipera latifii) from Iran. Sexual dimorphism was evaluated in 13 males and 15 females using 12 morphological characteristics.
Mehdi Rajabizadeh +2 more
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