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Analysis of Fetal and Placental Development in Rats after Administration of Hydroalcoholic Extract from the Root of Petiveria alliacea L. (Phytolaccaceae) International Journal of Morphology
Maia,Carina Scanoni; Teixeira,Valéria Wanderley; Teixeira,Álvaro Aguiar Coelho; Pontes Filho,Nicodemos Teles.
We investigated the effect of hydroalcoholic extract the Petiveria alliacea root on fetal and placental development female rats pregnancy. Thirty female rats were mated and divided in groups: I - rats treated with placebo and sacrificed on the 7th day; II - rats treated with hydroalcoholic extract and sacrificed on the 7th day; III - rats treated with placebo and sacrificed on the 14th day; IV - rats treated with hydroalcoholic extract and sacrificed on the 14th day; V - rats treated with placebo for analysis of the offspring; VI - rats treated with hydroalcoholic extract for analysis of the offspring. The extract was administered by gavage in the dosage of 18mg/kg body wt., in 5th day of pregnancy. The implantation sites and placenta were fixed in Bouin...
Tipo: Journal article Palavras-chave: Petiveria alliacea; Uterus; Placenta; Hydroalcoholic extract.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000100023
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Histopathology of Organs from Neonate Offspring Born to Female Rats Exposed to Sublethal Doses of Biological and Synthetic Insecticides International Journal of Morphology
dos Santos,Hilda Michelly Paiva; Teixeira,Valéria Wanderley; Teixeira,Álvaro Aguiar Coelho; da Silva,Rosimere; Lemos,Ana Janaina Jeanine Martins; Neto,Clovis José Cavalcanti Lapa; Ferreira,Cintia Giselle Martins.
The current annual consumption of insecticides in agriculture in Brazil is over three million tons. The exposure happens through food that is contaminated with toxic waste and respiratory and dermal absorption. Biological control with Bacillus thuringiensis Berliner (Bt) has assumed increasing importance replacing the use of conventional insecticides. However, the tests used to justify approval for use and market release of Bt products, and the protocols used to assess the development of toxicity, are extremely superficial. In addition, more studies comparing effects between males and females and during pregnancy and lactation have not been conducted. Thus, the hypothesis tested in this study was if the administration of the XenTari® WG (Bacillus...
Tipo: Journal article Palavras-chave: Bacillus thuringiensis; Synthetic insecticide; Rats; Histology; Histochemistry.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000100040
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MORPHOMETRIC ANALYSIS OF THE DEVELOPMENT OF THE OVARIAN FOLLICLES IN PINEALECTOMIZED RATS International Journal of Morphology
Pereira dos Santos,Katharine Raquel; Coelho Teixeira,Álvaro Aguiar; da Silva Neto,Eulâmpio José; Teixeira,Valéria Wanderley; da Cunha,Franklin Magliano.
The present study had the objective of analyzing morphometrically the occupied area by the ovarian follicles in ovaries of pinealectomized female rats. To do so, 24 albino female rats (Rattus norvegicus albinus) were used, which were equally divided in the following groups: Group I ­ sham-pinealectomized rats and kept in the light/dark cycle (12/12 hours), for three months; Group II ­ pinealectomized rats and kept in the light/dark cycle (12/12 hours), for three months; Group III ­ pinealectomized rats and kept in the absence of light for three months; Group IV ­ sham-pinealectomized rats and kept in the absence of rats for three months. The results showed that the groups I and IV presented, respectively, average of 19,00 and 25,00, while groups II and III...
Tipo: Journal article Palavras-chave: Pinealectomy; Ovaries; Morphometric; Estrus.
Ano: 2004 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022004000200001
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