Navegação Ciências Biológicas por Título
Resultados 1136-1155 de 3009
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Facial asymmetry and genetic ancestry in Latin American admixed populations
(2015) [Artigo de periódico]Fluctuating and directional asymmetry are aspects of morphological variation widely used to infer environmental and genetic factors affecting facial phenotypes. However, the genetic basis and environmental determinants of ... -
Facial nerve hemangioma of the lateral portion of the internal acoustic canal : a case report and a review of literature
(2023) [Artigo de periódico]Introduction facial nerve hemangiomas (FNH) are rare tumors. Although it can occur in any portion of the nerve, it predominantly appears near the geniculate ganglion. We present a case of facial nerve hemangioma of an ... -
Factors associated to salivary flow alterations in dry mouth female patients
(2014) [Artigo de periódico]BACKGROUND AND OBJECTIVES: Saliva plays an important role in oral health; it is involved in lubrication of the oral mucosa, protection against infections, transport of nutrients and digestive enzymes, remineralization of ... -
Factors associated with recurrence of alcohol-related traffic violations in southern Brazil
(2014) [Artigo de periódico]Objective: To analyze variables associated with recurrence of blood alcohol content (BAC)-related traffic violations among drivers in southern Brazil. Method: This cross-sectional study included 12,204 driving-under-the-influence ... -
Factors influencing transfection efficiency of pIDUA/nanoemulsion complexes in a mucopolysaccharidosis type I murine model
(2017) [Artigo de periódico]Mucopolysaccharidosis type I (MPS I) is an autosomal disease caused by alpha-l-iduronidase (IDUA) deficiency. This study used IDUA knockout mice as a model to evaluate whether parameters such as dose of plasmid and time ... -
Falência ovariana prematura : aspectos atuais
(2007) [Artigo de periódico]A falência ovariana prematura (FOP) acomete aproximadamente 1:1000 mulheres antes dos 30 anos, 1:250 em torno dos 35 anos e de 1:100 aos 40 anos. Manifesta-se como amenorréia primária ou amenorréia secundária, não podendo ... -
Família Agaricaceae (Agaricales, Basidiomycota) no Parque Estadual de Itapuã, Viamão, Rio Grande do Sul, Brasil
(2008) [Artigo de periódico]Foi realizado levantamento das espécies de Agaricaceae no Parque Estadual de Itapuã durante o período de abril de 2005 a junho de 2006. Foram identificadas dezesseis espécies, distribuídas nos gêneros Agaricus, Chlorophyllum, ... -
Familial predisposition to hypertension and the association between urinary sodium excretion and blood pressure in a population-based sample of young adults
(2000) [Artigo de periódico]The reasons for the inconsistent association between salt consumption and blood pressure levels observed in within-society surveys are not known. A total of 157 normotensive subjects aged 18 to 35 years, selected at random ... -
Fantastic databases and where to find them: Web applications for researchers in a rush
(2021) [Artigo de periódico]Public databases are essential to the development of multi-omics resources. The amount of data created by biological technologies needs a systematic and organized form of storage, that can quickly be accessed, and managed. ... -
Fasciola hepatica extract suppresses fibroblast-like synoviocytes in vitro and alleviates experimental arthritis
(2022) [Artigo de periódico]Background: Rheumatoid arthritis (RA) is a chronic infammatory disease characterized by synovial infammation, fbroblast-like synoviocytes (FLS) activation and joint destruction. Fasciola hepatica is a platyhelminth that ... -
Fasciola hepatica infection in cattle and buffaloes in the state of Rio Grande do Sul, Brazil
(2003) [Artigo de periódico]We examined 482 livers, 377 from cattle and 105 from buffaloes slaughtered at a meat packing plant between April 1999 and November 1999, in Viamão, a town in the state of Rio Grande do Sul, in southern Brazil. The cattle ... -
Fast and robust protocol for prenatal diagnosis of mucopolysaccharidosis Type II
(2014) [Artigo de periódico]Introduction: Mucopolysaccharidosis type II (MPSII) is an X-linked lysosomal disorder caused by deficiency of iduronate-2-sulfatase (IDS). In this study, we proposed a new protocol for prenatal diagnosis, using DNA obtained ... -
Fast surveillance response reveals the introduction of a new yellow fever virus sub-lineage in 2021, in Minas Gerais, Brazil
(2022) [Artigo de periódico]BACKGROUND In Brazil, the yellow fever virus (YFV) is maintained in a sylvatic cycle involving wild mosquitoes and nonhuman primates (NHPs). The virus is endemic to the Amazon region; however, waves of epidemic expansion ... -
Fatores etiológicos da agressão física : uma revisão teórica
(2003) [Artigo de periódico]Considerando o fenômeno do comportamento agressivo, inicialmente são apresentadas quatro abordagens teóricas abrangentes: etologia, psicanálise, behaviorismo e teoria da aprendizagem social. Após uma análise crítica destas ... -
Fauna de aranhas (Arachnida, Araneae) em diferentes estágios do cultivo de arroz irrigado em Cachoeirinha, RS, Brasil
(2008) [Artigo de periódico]Com a intenção de conhecer a diversidade da araneofauna relacionada à cultura do arroz, foi realizado um inventário deste agroecossistema ainda pouco estudado em sua biodiversidade. Foram realizadas 17 amostragens na Estação ... -
Fecal bacterial communities of wild black capuchin monkeys (Sapajus nigritus) from the Atlantic Forest biome in Southern Brazil are divergent from those of other non-human primates
(2021) [Artigo de periódico]Gut microbiota are influenced by factors such as diet, habitat, and social contact, which directly affect the host's health. Studies related to gut microbiota in non-human primates are increasing worldwide. However, little ... -
Fecal eukaryotic community of wild young South American (Arctocephalus australis) and Subantarctic fur seals (Arctocephalus tropicalis)
(2017) [Artigo de periódico]Eukaryotic microbes that reside in the mammalian gut have an important role in maintaining metabolism, digesting nutrients, and regulating the immune system. Therefore, changes in the microbial composition of the gut may ... -
Feeding associations between capybaras Hydrochoerus hydrochaeris (Linnaeus) (Mammalia, Hydrochaeridae) and birds in the Lami Biological Reserve, Porto Alegre, Rio Grande do Sul, Brazil
(2005) [Artigo de periódico]Foram registradas associações alimentares entre capivaras Hydrochoerus hydrochaeris (Linnaeus, 1766) e aves na Reserva Biológica do Lami, sul do Brasil, por meio de observações em um conjunto de transecções estabelecidas ... -
Feeding dynamics and ecomorphology of Oligosarcus jenynsii (Gunther, 1864) and Oligosarcus robustus (Menezes, 1969) in the Lagoa Fortaleza, Southern Brazil
(2006) [Artigo de periódico]Oligosarcus jenynsii e Oligosarcus robustus são peixes pertencentes à família Characidae, sendo espécies ocorrentes no Rio Grande do Sul, Uruguai e norte da Argentina. Este estudo objetivou analisar os índices de repleção ... -
Feeding habit of Eigenmannia trilineata Lopez & Castello, 1966 (Teleostei : Sternopygidae) of Parque Estadual de Itapuã , RS, Brazil
(2005) [Artigo de periódico]Este estudo objetiva descrever o hábito alimentar de uma população da espécie de peixe elétrico Eigenmannia trilineata do Sul do Brasil, através da variação das freqüências mensais dos índices de repleção (IR), hepatossomático ...