Effect of sex hormones on the growth and multiplication of tetrathyridia of Mesocestoides corti (Cestoda: Cyclophyllidea) in mice |
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Authors: | M Novak |
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Institution: | Department of Zoology, University of Manitoba, Winnipeg, Canada |
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Abstract: | The number of tetrathyridia in the peritoneal cavities of mice increases exponentially with time. Thirty days post infection more larvae are in the cavities than in the livers. After that the increase of intraperitoneal populations continues, whereas the number of tetrathyridia in the livers remains more or less constant.Exogenous testosterone propionate, 10 , twice a week, for 5 weeks, increases significantly the total volumes of tetrathyridial populations in the peritoneal cavities, whereas oestradiol benzoate, 5 or 10 , also for 5 weeks, accelerates the rate of growth and multiplication of coelomic tetrathyridia to a much lesser extent, but increases significantly the infection of the livers. |
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Keywords: | tetrathyridia larval populations SEC mice testosterone propionate oestradiol benzoate |
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