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相关概念视频

Gastrulation01:56

Gastrulation

57.7K
Gastrulation establishes the three primary tissues of an embryo: the ectoderm, mesoderm, and endoderm. This developmental process relies on a series of intricate cellular movements, which in humans transforms a flat, “bilaminar disc” composed of two cell sheets into a three-tiered structure. In the resulting embryo, the endoderm serves as the bottom layer, and stacked directly above it is the intermediate mesoderm, and then the uppermost ectoderm. Respectively, these tissue strata...
57.7K

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Evidence of a Neural Inductive Phase in Limb Development: (induction/limb development/neural tube/neural crest/thalidomide).

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Maternal Thalidomide Treatment and Cell Division in Cultured Rabbit Embryos: Automated Image Analysis of Autoradiographs: (thalidomide/autoradiography/rabbit embryo culture.).

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相关实验视频

Updated: Jul 27, 2025

Minimally Invasive Embryo Transfer and Embryo Vitrification at the Optimal Embryo Stage in Rabbit Model
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Minimally Invasive Embryo Transfer and Embryo Vitrification at the Optimal Embryo Stage in Rabbit Model

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在器官生成过程中子胚胎培养的进展

P A Stokes1, P H Vardy1, W G McBRIDE1

  • 1Foundation 41, The Women's Hospital, Crown Street, Surry Hills, N. S. W. 2010 Australia.

Development, growth & differentiation
|June 7, 2023
PubMed
概括

子胚胎在体外培养24小时,使用修改的动物技术. 研究人员观察了12个小时的高胚胎状态,与快速的3H-胺素吸收,然后由于黄囊限制而下降.

科学领域:

  • 发育生物学是发展生物学.
  • 胚胎学 胚胎学
  • 在体外培养技术.

背景情况:

  • 子胚胎需要特定的培养条件进行体外研究.
  • 扩展体外培养对胚胎代谢交换提出了挑战.

研究的目的:

  • 为子胚胎适应动物胚胎培养方法.
  • 为了评估子胚胎的活力和代谢活性,在体外最长24小时.
  • 为了研究体外形学研究的潜力.

主要方法:

  • 修改的动物胚胎培养技术应用于10个半天大的子胚胎.
  • 胚胎被培养在同源的,热不活化的血清中,含有3H-胺.
  • 监测了胚胎状态,并使用液体闪计数和自发放射学测量了放射性吸收.

主要成果:

  • 子胚胎在培养的最初12小时内保持了高观察状态.
  • 在最初的12小时内观察到3H-提米丁的快速吸收.
  • 胚胎状态在12小时后下降,表明培养系统的局限性.

结论:

  • 子黄囊囊囊不够血管化,无法进行延长的体外代谢交换.

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  • 开发的技术允许对子胚胎形态学和生物化学进行体外研究.
  • 这种方法适用于对这种敏感物种进行病学研究.