Results 131 to 140 of about 701 (165)
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Brazilian Boidae hemipenis morphology: Macroscopic and histological aspects
Anatomia, Histologia, Embryologia, 2022AbstractFour genera of the Boidae family are found in Brazil: Eunectes, Corallus, Epicrates, and Boa. Male copulatory organs in snakes are located inside the tail and are called hemipenes. They are double structures in an inverted position that are exposed during copulation.
Heitor José Bento +2 more
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Chromosomes and the classification of the snakes of the family Boidae
Cytogenetic and Genome Research, 1968The chromosomes of the Indian rock python, <i>Python molurus</i> (sub-family Pythoninae), and the sand boa, <i>Eryx johni johni</i> (Boinae), were investigated and compared with those of <i>Boa constrictor </i>(Boinae).
L, Singh, T, Sharma, S P, Ray-Chaudhuri
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A Taxonomic Revision of Boas (Serpentes: Boidae)
Zootaxa, 2014Large molecular datasets including many species and loci have greatly improved our knowledge of snake phylogeny, particularly within the group including boas (Table 1). Recent taxonomic revisions using molecular phylogenies have clarified some of the previously contentious nomenclature of the group (Wilcox et al. 2002; Lawson et al. 2004; Burbrink 2005;
Pyron, R. Alexander +2 more
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Detection of pathogens in Boidae and Pythonidae with and without respiratory disease
Veterinary Record, 2013Respiratory diseases in boid snakes are common in captivity, but little information is available on their aetiology. This study was carried out to determine the occurrence of lung associated pathogens in boid snakes with and without respiratory signs and/or pneumonia.
V, Schmidt +8 more
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Revision of the Epicrates cenchria Complex (Serpentes: Boidae)
Herpetological Monographs, 2008Abstract The Epicrates cenchria complex is endemic to the Neotropical region, occurring in mainland portions of Central and South America. The taxonomic status of the nine currently recognized subspecies (E. c. alvarezi, E. c. assisi, E. c. barbouri, E. c. cenchria, E. c. crassus, E. c. gaigei, E. c. hygrophilus, E. c. maurus, and E. c.
Paulo Passos, Ronaldo Fernandes
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Immune and hormonal regulation of the Boa constrictor (Serpentes; Boidae) in response to feeding
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2022Feeding upregulates immune function and the systemic and local (gastrointestinal tract) concentrations of some immunoregulatory hormones, as corticosterone (CORT) and melatonin (MEL), in mammals and anurans. However, little is known about the immune and hormonal regulation in response to feeding in other ectothermic vertebrates, especially snakes, in ...
Aymam, C de Figueiredo +4 more
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Geographic Variation in the Emerald Treeboa, Corallus caninus (Squamata: Boidae)
Copeia, 2009Abstract The arboreal boa Corallus caninus is widely distributed across northern South America (the Guianas and Amazonia). We examined geographic variation based on examination of 192 specimens from throughout the range, and revised its taxonomy on the basis of quantitative and qualitative analyses of morphological characters (meristics, morphometrics,
Robert W. Henderson +2 more
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Histological aspects of the renal sexual segment of Brazilian snakes of the Boidae family
Anatomia, Histologia, EmbryologiaAbstractSnakes represent a wide and diverse group of species and have anatomical particularities, such as the renal sexual segment (RSS), a structure located in the kidneys and formed from the hypertrophy of the urinary ducts and nephrons. This study aims at describing the histological aspects of the RSS of Boa constrictor, Epicrates cenchria and ...
Heitor José Bento +7 more
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