人体长髓中前部外部弧形纤维的变异性
Parul Kaushal1, Dibakar Borthakur1, Subrata Basu Ray1
1Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India.
Anatomy & cell biology
|November 18, 2024
概括
前外部弧形纤维 (AEAF) 形态在印度大脑中进行了研究. 在26%的标本中发现了明显的AEAF,其中包括多种类型的Supraolivary,Preolivary和Circumolivary.
科学领域:
- 神经解剖学是一个神经解剖学.
- 人类解剖学 人类解剖学
- 大脑干的形态学
背景情况:
- 前外弧形纤维 (AEAF) 起源于金字塔腹部表面的弧形核.
- 表面金字塔纤维捆的历史描述存在,但最近的详细研究是有限的.
- 了解AEAF对于理解心肺和呼吸系统调节至关重要.
研究的目的:
- 在印度人口中调查前外弧形纤维 (AEAF) 的形态和患病率.
- 根据它们与橄的解剖关系来分类AEAF.
- 分析AEAF的双边存在和形态变异.
主要方法:
- 50个成年印第安人大脑样本的剖析.
- 鉴定和分类的AEAF (supraolivary,preolivary,circumolivary) 基于他们相对于橄的位置.
- 评估纤维束形态 (单,双,多) 和双边发生.
- 对上卵巢和环卵巢纤维束的形态分析.
主要成果:
- 在50个 (26%) 标本中,有13个标本观察到明显的AEAF.
- 发病率包括:上 (25%),前 (15%) 和周 (9%).
- 在这三种AEAF类型中,观察到不同的同时发生模式,其中,双边上和前纤维经常被发现在一起.
结论:
- 该研究提供了印度人口中AEAF的详细形态数据,突出显著的变化.
- 观察到的AEAF模式的变化有助于了解它们在心肺和呼吸控制中的作用.
- 这些发现建议进一步研究AEAF的发育起源,特别是从唇部的神经元迁移.
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