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Int. j. morphol ; 28(2): 569-573, June 2010. ilus
Article in English | LILACS | ID: lil-577155

ABSTRACT

Marine bivalves are essentially gonochoric species. However, some occasional hermaphrodites specimens can be found. A histological description of two (among 179) hermaphrodites of the marine mussel Perumytilus purpuratus (Lamarck, 1819) that were collected in San Jorge Bay (24S) is given. The low proportion of hermaphrodites suggests that P. purpuratus hermaphroditism could be an accidental phenomenon; nevertheless other causes are also discussed in the present study.


Los bivalvos marinos son principalmente especies gonocoricas. Sin embargo, ocasionales especímenes hermafroditas pueden encontrarse. Una descripción histológica de dos (de 179) especímenes hermafroditas del chorito Perumytilus purpuratus (Lamarck, 1819) es registrada, los que fueron colectados en la bahía de San Jorge (24S). La baja proporción de hermafroditas de Perumytilus purpuratus sugiere que podría ser un fenómeno accidental, aun así otras posibles causas son discutidas en el presente estudio.


Subject(s)
Animals , Bivalvia/anatomy & histology , Disorders of Sex Development , Chile
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