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相关概念视频

Electron Microscope Tomography and Single-particle Reconstruction01:07

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
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相关实验视频

Updated: May 29, 2025

Preparation of the Rat Vocal Fold for Neuromuscular Analyses
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子声的比较三维精细结构使用相对光和电子显微镜.

Kiminobu Sato1, Mengya Mark1, Xiaochuan Xu1

  • 1Department of Speech, Language and Hearing Sciences, Doisy College of Health Sciences, Saint Louis University, St. Louis, Missouri, U.S.A.

The Laryngoscope
|February 6, 2025
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概括

子的声 (VF) 缺乏黄斑和声带,但与人类的VF共享纤维成分. 相对光电子显微镜 (CLEM) 揭示了不同的细胞结构,有助于比较研究.

关键词:
比较细结构的比较.相关光和电子显微镜相关光和电子显微镜.子的声音折叠子

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Last Updated: May 29, 2025

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科学领域:

  • 比较解剖学的比较解剖学.
  • 显微镜技术的使用方法
  • 声化研究研究 声化研究

背景情况:

  • 了解声 (VF) 结构对于发声研究和动物建模至关重要.
  • 以前的研究主要集中在人类VF解剖学上,动物模型的比较数据有限.

研究的目的:

  • 通过相关光电子显微镜 (CLEM) 和传输电子显微镜 (TEM) 来研究子声 (VF) 的比较细结构.
  • 阐明子和人类VF之间的功能机制和结构差异.

主要方法:

  • 检查了七个正常的新西兰白的声.
  • 应用CLEM和TEM技术来分析VF细结构.

主要成果:

  • 子VF缺乏黄斑和声带,与人类VF不同.
  • 纤维成分分布在自身膜 (LP) 中与人类相似.
  • 在子VF LP.中,CLEM发现了螺旋状和圆形细胞.
  • 观察到无形材料起源于纤维细胞囊泡.
  • 人类黄斑中存在的带有脂质滴滴的恒星细胞在子VF中不存在.

结论:

  • 在动物模型中观察细结构时,CLEM技术非常有价值,它有助于进行比较研究.
  • 子具有适合于动物实验的VF纤维成分,但研究人员必须承认物种特异性的结构差异.
  • 预计CLEM将在未来的动物实验中得到广泛应用,用于评估小物种中VF细结构.