AFFERENT AND EFFERENT CONNECTIONS OF THE MEDIAL, INFERIOR AND LATERAL VESTIBULAR NUCLEI IN THE CAT AND MONKEY
AFFERENT AND EFFERENT CONNECTIONS OF THE MEDIAL, INFERIOR AND LATERAL VESTIBULAR NUCLEI IN THE CAT AND MONKEY
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DOI：
10.1016/0006-8993(83)90223-8
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发表时间：
1983-01-01
期刊：
影响因子：
2.9
通讯作者：
CARPENTER, MB
中科院分区：
文献类型：
--
作者：
CARLETON, SC;CARPENTER, MB
本文应用轴浆逆行和顺行运输技术，观察了猫和猴前庭内侧核（MVN）、前庭下核（IVN）和前庭外侧核（LVN）的传入和传出联系。选择性地将HRP [辣根过氧化物酶]和[3 H]氨基酸注射到MVN、IVN和LVN中，并注射到MVN和IVN、LVN和IVN以及所有4个VN中。最令人印象深刻的脑干传入VN连合纤维。MVN接收和投射主要连合纤维。小脑前庭传入分布同侧和差异，其中：LVN接收来自前叶蚓部的投射; IVN接收主要来自结节和悬雍垂的纤维，MVN接收主要来自小叶中央部分的输入。小脑顶投射到LVN的两侧出现从吻侧部分的核，而那些IVN是从中央区域交叉。来自MVN和IVN的次级前庭小脑纤维终止于部分前庭小脑。MVN、IVN和LVN的纤维均不终止于小脑深核。舌下神经周围核与IVN、MVN有双向联系，MVN接受同侧Cajal间质核的纤维，投射到对侧INC。唯一投射到VN上的脊髓核是中央颈核。问题是提出有关所描述的spinovestibular纤维。同侧的结节和悬雍垂接收来自IVN的直接投射，而悬雍垂的另一半经由β核接收来自IVN的间接投射。MVN的投射在两侧不对称地终止于AN和OMC [眼神经核复合体]，对侧终止于TN [视网膜神经核]。来自IVN的上行纤维仅在TN和部分OMC中对侧终止。Deiters ''上行束（ATD）仅见于猫。
Attempts were made to determine the afferent and efferent connections of the medial (MVN), inferior (IVN) and lateral (LVN) vestibular nuclei (VN) in the cat and monkey using retrograde and anterograde axoplasmic transport technics. Injections of HRP [horseradish peroxidase] and [3H]amino acids were made selectively into MVN, IVN and LVN and into: MVN and IVN, LVN and IVN and all 4 VN. The most impressive brainstem afferents to VN are commissural fibers. MVN receives and projects the major commissural fibers. Cerebellovestibular afferents are distributed ipsilaterally and differentially, in that: LVN receives projections from the anterior lobe vermis; IVN receives fibers primarily from the nodulus and uvula and MVN receives inputs primarily from central parts of the flocculus. Fastigial projections to LVN arise bilaterally from rostral parts of the nuclei, while those to IVN are crossed from central regions. Secondary vestibulocerebellar fibers from MVN and IVN end in portions of the vestibuloce-rebellum. No fibers from MVN, IVN or LVN terminate in the deep cerebellar nuclei. The perihypoglossal nuclei have bilateral reciprocal connections with IVN and MVN, MVN receives fibers from the ipsilateral INC [interstitial nucleus of Cajal] and projects to the contralateral INC. The only spinal nucleus projecting upon the VN is the central cervical nucleus. Questions are raised concerning described spinovestibular fibers. The ipsilateral nodulus and uvula receive direct projects from IVN and the opposite half of the uvula receives indirect projections from IVN via nucleus .beta.. Projections from MVN terminate bilaterally and asymmetrically in the AN and OMC [oculomotor nuclear complex], and contralaterally in TN [trochlear nucleus]. Ascending fibers from the IVN terminate contralaterally only in the TN and parts of the OMC. The ascending tract of Deiters'' (ATD) was seen only in the cat.