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  • 1
    ISSN: 1432-136X
    Keywords: Eicosanoids ; Ovulation ; Prostaglandins ; Vitellogenesis ; Crayfish, Procambarus paeninsulanus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract While the role of eicosanoids in reproduction in vertebrate species has been well established, the role of these fatty acid derivatives in invertebrate species has not been as well characterized. The purpose of this study was to investigate changes in prostaglandins E2 and F2α during vitellogenesis in the crayfish Procambarus paeninsulanus. In homogenates of crayfish ovaries taken at various stages of development, the rate of prostaglandin synthesis and the concentrations of prostaglandins E2 and F2α increased during the final stages of yolk production just prior to ovulation. A gradual increase in prostaglandin E2 amounts was observed throughout the progression of vitellogenesis. The data suggests the possible involvement of prostaglandins in regulatory events associated with vitellogenesis and the induction of ovulation in Procambarus paeninsulanus.
    Type of Medium: Electronic Resource
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  • 2
    In:  Other Sources
    Publication Date: 2011-08-16
    Description: Apollo 11 lunar fines glassy particles, investigating morphology, optical properties and chemical composition
    Keywords: SPACE SCIENCES
    Format: text
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