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Gonad development in females of fiddler crab Uca rapax (Crustacea, Brachyura, Ocypodidae) using macro and microscopic techniques Iheringia, Sér. Zool.
Castiglioni,Daniela da Silva; Negreiros-Fransozo,Maria Lucia; Greco,Laura S. López; Silveira,Aron F.; Silveira,Sérgio O..
The morphology of the ovaries in Uca rapax (Smith, 1870) was described based on macroscopic and microscopic analysis. Females were collected in Itamambuca mangrove, Ubatuba, state of São Paulo, Brazil. In the laboratory, 18 females had their ovaries removed and prepared for histology. Each gonad developmental stage was previously determined based on external and macroscopic morphology and afterwards each stage was microscopically described. The ovaries of U. rapax showed a pronounced macroscopic differentiation in size and coloration with the maturation of the gonad, with six ovarian developmental stages: immature, rudimentary, developing, developed, advanced and spent. During the vitellogenesis, the amount of oocytes in secondary stage increases in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Macroscopic analysis; Histological analysis; Oogonias; Primary and secundary oocytes; Uca rapax.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212007000400022
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