Pressor responses to common carotid occlusion in female rats: effects of gonadectomy and treatment with gonadal steroid hormones
Braz. j. med. biol. res
;
22(7): 885-7, 1989. ilus
Artigo
em Inglês
| LILACS
| ID: lil-83208
ABSTRACT
The pressor responses to common carotid occlusion were studied in conscious female rats throughout the estrous cycle, after gonadectomy and after gonadectomy followed by treatment with estrogen and progesterone. The initial peak pressor response was highest during proestrus and fell significantly over the remaining 3 days of the estrous cycle. The maintained pressor response was relatively unchanged throughout the cycle, except during diestrus 1 when it decreased markedly. Gonadectomy reduced and treatment with estradiol alone increased the initial pressor component, respectively. Treatment of gonadectomized rats with estradiol plus progesterone enhanced both components. These findings suggest that gonadal steroid hormones are important modulators of the pressor to common carotid occlusion
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LILACS (Américas)
Assunto principal:
Arteriopatias Oclusivas
/
Estro
/
Doenças das Artérias Carótidas
/
Pressão Arterial
Limite:
Animais
Idioma:
Inglês
Revista:
Braz. j. med. biol. res
Assunto da revista:
Biologia
/
Medicina
Ano de publicação:
1989
Tipo de documento:
Artigo
/
Congresso e conferência
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