Spermatogenesis of the spider crabMaja brachydactyla(Decapoda: Brachyura)
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چکیده
منابع مشابه
Post-larval development and sexual dimorphism of the spider crab Maja brachydactyla (Brachyura: Majidae)
the post-larval development of the majid crab Maja brachydactyla Balss, 1922 was studied using laboratoryreared larvae obtained from adult individuals collected in the ne atlantic. the morphology of the first juvenile stage is described in detail, while the most relevant morphological changes and sexual differentiation are highlighted for subsequent juvenile stages, until juvenile 8. the charac...
متن کاملSpider Crabs (Crustacea: Brachyura: Majidae) from the International Indian Ocean Expedition, 1963-1964
Griffin, D. J. G. Spider Crabs (Crustacea: Brachyura: Majidae) from the International Indian Ocean Expedition, 1963-1964. Smithsonian Contributions to Zoology, number 182, 35 pages, 8 figures, 6 tables, 1974.—Spider crabs were collected by the RV Anton Bruun from 52 stations in the Andaman Sea, Bay of Bengal, Arabian Sea, and western Indian Ocean from Natal to the Gulf of Aden. Specimens from s...
متن کاملTemporal Trends of Two Spider Crabs (brachyura, Majoidea) in Nearshore Kelp Habitats in Alaska, U.s.a
Pugettia gracilis and Oregonia gracilis are among the most abundant crab species in Alaskan kelp beds and were surveyed in two different kelp habitats in Kachemak Bay, Alaska, U.S.A., from June 2005 to September 2006, in order to better understand their temporal distribution. Habitats included kelp beds with understory species only and kelp beds with both understory and canopy species, which we...
متن کاملTaxonomy and ecology of the Cape Town Spider Crab, Macropodia falcifera (Stimpson, 1858) (Crustacea: Decapoda: Brachyura: Inachidae).
The nomenclature and taxonomy of the Cape Town Spider Crab, Macropodia falcifera Stimpson, 1858, is treated. The species is rediagnosed and figured, and its ecology discussed. A key is also provided of the Indo-West Pacific species of Macropodia.
متن کاملthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Journal of Morphology
سال: 2009
ISSN: 0362-2525,1097-4687
DOI: 10.1002/jmor.10805