Results 51 to 60 of about 1,085,473 (336)

The oldest Brazilian snakes from the cenomanian (Early Late Cretaceous) [PDF]

open access: yes, 2014
South American Mesozoic snake diversity is mostly represented by genera from the Cenomanian (Najash), Santonian- Campanian (Dinilysia), and Campanian-Maastrichtian (Alamitophis, Patagoniophis, Rionegrophis, and Australophis) of Patagonia, Argentina.
Albino, Adriana Maria   +3 more
core   +1 more source

Cercariae (Digenea: Strigeidae, Diplostomidae) in Biomphalaria straminea (Planorbidae) from a rice field in Northeastern Argentina [PDF]

open access: yes, 2017
The rice fields can provide habitats for many species of aquatic invertebrates, as insects, molluscs, crustaceans; and vertebrates, as fish, amphibians, reptiles and birds, which may act as hosts in the life cycles of digenean parasites. In this context,
Fernández, María Virginia   +1 more
core   +1 more source

DEFB1 gene polymorphisms and tuberculosis in a Northeastern Brazilian population

open access: yesBrazilian Journal of Microbiology, 2016
β-Defensin-1, an antimicrobial peptide encoded by the DEFB1 gene, is known to play an important role in lung mucosal immunity. In our association study we analyzed three DEFB1 functional polymorphisms -52G>A (rs1799946), -44C>G (rs1800972) and -20G>A (rs11362) in 92 tuberculosis patients and 286 healthy controls, both from Northeast Brazil: no ...
Celerino da Silva, Ronaldo   +7 more
openaire   +5 more sources

Cardiovascular risk factors in young adults of a city of the Brazilian northeastern

open access: yes, 2012
This study investigates the cardiovascular risk factors in young adults in the interior of northeastern Brazil. This quantitative study conducted with 351 young adults from school 12 public schools in Juazeiro do Norte, Ceara, at random selected and ...
Emiliana Bezerra Gomes   +6 more
semanticscholar   +1 more source

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

open access: yesThe Anatomical Record, EarlyView.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt   +4 more
wiley   +1 more source

Flora da Região de Xingó, Alagoas e Sergipe (Brasil): Turneraceae

open access: yesRodriguésia
Resumo Este trabalho compreende o levantamento taxonômico da família Turneraceae para a Região de Xingó: Alagoas e Sergipe, Nordeste brasileiro. Foram encontradas nove espécies, distribuídas em dois gêneros: Piriqueta cistoides, P.
Lamarck Rocha   +3 more
doaj   +1 more source

Taeniophallus affinis (Günther, 1858) (Squamata, Serpentes, Dipsadidae): distribution extension, Rio Grande do Sul, Brazil [PDF]

open access: yesCheck List, 2011
Taeniophallus affinis (Dipsadidae) has a distribution restricted to the Brazilian Atlantic Forest. We collected a male specimen at Parque Municipal de Sertão, state of Rio Grande do Sul, Brazil. This record extends the distribution of the species ca. 118
Almir de Paula   +2 more
doaj   +3 more sources

Space, Time and Nature: The process and the myth [PDF]

open access: yes, 2015
The article fits into the debate regarding space, time and nature in dialogue with the world lived by subjects that build up themselves or are built as mythological heroes, source of speech and spacial concrete practices.
Araújo, Maxem Luiz   +3 more
core  

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