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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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Evaluation of the Estral Cycle in Rats after Treatmen twith Dexamethasone for Polycystic Ovaries, Induced by Constant Illumination International Journal of Morphology
Barros,Heitor Arôxa; Moraes,Eleonora Figueredo de; Maia,Carina Scanoni; Teixeira,Álvaro Aguiar Coelho; Teixeira,ValériaWanderley.
The study aimed at obtaining basic information about estrous cycle in rats treated with dexamethasone, for polycystic ovaries, induced by constant illumination. It was used 30 female rats (Rattus norvegicus albinus) from the lineage Wistar, with 90 days years old, divided according the following groups: Group I - rats maintained in a light/dark cycle for 12/12 hours, and after 100 days submitted to the cyclicity evaluation (control); Group II - rats maintained under constant illumination during 100 days and after submitted to the cyclicity evaluation; Group III - rats maintained under constant illumination during 100 days and after treated with dexamethasone for five days, and, then, submitted to the cyclicity evaluation. The results showed that after 100...
Tipo: Journal article Palavras-chave: Estrous cycle; Polycystic ovaries; Dexamethasone; Rats.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000400035
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Morphological Analysis of Neonates of Rats Treated with Dexamethasone in the Initial Phase of Pregnancy International Journal of Morphology
Vilaça Júnior,Paulo Estevao Araújo; Teixeira,Alvaro Aguiar Coelho; Wanderley Teixeira,Valéria; Moraes,Eleonora de Figueiredo; Araújo,Ana Claudia Carvalho de; Maia,Carina Scanoni.
The glucocorticoid dexamethasone has been largely used due to its anti-inflammatory effect. However, several authors report that the excessive exposition to it during pregnancy may cause a retard in the development in several tissues, mainly: liver, lungs and kidneys. But, the majority of the works are done with the application of dexamethasone in the late periods of pregnancy. Because of the lack of researches that evalúate the effects in the beginning of gestation, this paper aimed at evaluating the effect of dexamethasone administered in the initial phase of pregnancy, o ver the morphology of neonates rat. It was used 10 albino rats (Rattus norvegicus albinus) aged 90 days from the lineage Wistar. The female were coupled and divided in two groups: Group...
Tipo: Journal article Palavras-chave: Pregnancy; Dexamethasone; Histology; Rats.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000300002
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