1988
DOI: 10.1590/s0074-02761988000300015
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La queratotaxia cercariana en la diferenciacion de sexos de schistosoma mansoni

Abstract: El número de papilas argirófilas superficiales y su modelo de disposición en el tegumento de las cercarias (quetotaxia) de Schistosoma mansoni nos permitió diferenciar los sexos a nivel del mencionado estadío larvario, mediante los siguientes critérios: - Mayor homogeneidad en las cercarias machos, en cuanto al número total de papilas ventrales y dorsales a nivel de cuerpo y cola cercarianos (C.V. = 4,1%), que en las cercarias hembras (C. V. = 18,3%) (P < 0,001). - Presencia en el 80% de las cercarias macho… Show more

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Cited by 6 publications
(4 citation statements)
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“…It has been demonstrated that isolates recently introduced to the laboratory present a greater genomic variability than those kept for more generations (Vieira et sex of the cercariae can be distinguished at the phenotypic level though chromosomal analyses also allow sex determination (Quack et al 1998). Furthermore, differences in the chaetotaxic pattern of male and female cercariae have been confirmed (Pino et al 1988). Unlike these authors, however we observed that the female cercariae presents greater homogeneity in the total number of papillae of the cercarial body.…”
Section: Resultssupporting
confidence: 38%
“…It has been demonstrated that isolates recently introduced to the laboratory present a greater genomic variability than those kept for more generations (Vieira et sex of the cercariae can be distinguished at the phenotypic level though chromosomal analyses also allow sex determination (Quack et al 1998). Furthermore, differences in the chaetotaxic pattern of male and female cercariae have been confirmed (Pino et al 1988). Unlike these authors, however we observed that the female cercariae presents greater homogeneity in the total number of papillae of the cercarial body.…”
Section: Resultssupporting
confidence: 38%
“…Pino et al (1988Pino et al ( , 1997 verified that this can be achieved by means of chetotaxic studies.…”
Section: Resultsmentioning
confidence: 96%
“…Although with the employment of molecular biology techniques this identification is easily obtained (Barral et al 1993, Mc Cutchan et al 1994, their access may be restricted, due to the necessity of a special equipment (Pino et al 1988).…”
Section: Resultsmentioning
confidence: 99%
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