已收录 272903 条政策
 政策提纲
  • 暂无提纲
La survie et la différenciation en culture in vitro des gonades de larves de dernier âge de Galleria mellonella (Lépidoptère, pyralididae)
[摘要] ThegonadsofthelarvaofGalleriamellonellaintheirfinalstageswereplacedincultureinvitroinaagarmediumcontainingsalinesolution,trehalose,peptone,horseserum,andchickembryo(9-day)extract.67%ofthegonadsofbothsexessurvivedforatleast7days.Thespermatogoniamultiplyinthemalegonads.Thespermatocytesundergomeiosisandbecometransformedintospermatozoids.Inthefemalegonadstheoogoniamultiply,theoocytesenteringintoprevitellogenesis.Thenutritivecellsandthefollicularcellsbecomedifferentiated,andthenthefolliclesareformed.
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 生物科学(综合)
[关键词]  [时效性] 
   浏览次数:2      统一登录查看全文      激活码登录查看全文