Study on afferent projections from the abducens nucleus to the contralateral medial rectus subnucleus of the oculomotor nucleus in the rat

ZHONG Shijiang; et al

doi:10.13406/j.cnki.cyxb.2003.05.005

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Study on afferent projections from the abducens nucleus to the contralateral medial rectus subnucleus of the oculomotor nucleus in the rat

更新时间：2024-01-17

- Study on afferent projections from the abducens nucleus to the contralateral medial rectus subnucleus of the oculomotor nucleus in the rat
- Journal of Chongqing Medical University Issue 5, Pages: 571-572(2003)
- 作者机构：
  
  1. 重庆医科大学临床学院神经内科
  2. 青岛医学院神经解剖学教研室
  3. 重庆医科大学临床学院神经内科,重庆,400016
  4. ,青岛,266021
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.2003.05.005
  CLC： R741
- Published：2003，
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[1]钟士江,迟焕方,牟君,谢鹏.大鼠展神经核向对侧动眼神经核的内直肌亚核的纤维投射研究[J].重庆医科大学学报,2003(05):571-572+584.

ZHONG Shijiang, et al. Study on afferent projections from the abducens nucleus to the contralateral medial rectus subnucleus of the oculomotor nucleus in the rat. [J]. Journal of Chongqing Medical University (5):571-572(2003)
[1]钟士江,迟焕方,牟君,谢鹏.大鼠展神经核向对侧动眼神经核的内直肌亚核的纤维投射研究[J].重庆医科大学学报,2003(05):571-572+584. DOI： 10.13406/j.cnki.cyxb.2003.05.005.

ZHONG Shijiang, et al. Study on afferent projections from the abducens nucleus to the contralateral medial rectus subnucleus of the oculomotor nucleus in the rat. [J]. Journal of Chongqing Medical University (5):571-572(2003) DOI： 10.13406/j.cnki.cyxb.2003.05.005.

摘要

目的 :探讨展神经核对动眼神经核的内直肌亚核的纤维投射。方法 :辣根过氧化物酶逆行示踪法。结果 :展神经核的核间神经元由腹内侧亚群及腹外侧亚群构成

腹内侧亚群纵长 0 .6 0～ 0 .75mm

标记细胞数 12 0± 5 0个 ;腹外侧亚群纵长 0 .3～ 0 .4mm

标记细胞数 14 0± 4 0个。核间神经元的轴突纤维

越过中线

在对侧内侧纵束中上升

专一的终止于对侧的内直肌亚核。结论 :核间神经元在眼的水平同向运动中起关键作用。

Abstract

Objective: To investigate afferent projections from the abducens nucleus to the contralateral medial rectus subnucleus of the oculomotor nucleus in rats.Methods:The means of retrograde hoseradish peroxidase tracing was used.Results:The internuclear neurons in the abducens nucleus were divided into two subgroups

the ventromedial and the ventrolateral ones. The axons of the internuclear nurons crossed the midline

ascended in the contralateral medial longitudinal fasciculus and intermediated exclusively in the contralateral medial rectus subgroups.Conclusion:The results imply that the internuclear meurons could play a major role in conjugate horizontal eye movement.

关键词

展神经核内直肌亚核HRP大鼠

Keywords

Abducens nucleusMedial rectus subnucleusHRPrat

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