为大脑半球结构中主要的灰质部分之一课件.ppt
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- 大脑 半球 结构 主要 灰质 部分 之一 课件
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1、Intrastriatal targets of projection fibers from the central lateral nucleus of the rat thalamusNoritaka lchinohe,Hiroyasu lwatsuki,Kazuhiko ShoumuraNeuroscience Letters 302(2001) 105-108IntroductionThe basal ganglia and the cerebellum are the major subcortical structures that are important for regul
2、ation and control of voluntarymovementProjection from the deep cerebellar nuclei to the motor-related Striatum,which receives inputs from the motor cortical areasHave been reported to be relayed at several thalamic nuclei;the ventral lateral nucleus pars caudails,ventral posterior lateralnucleus par
3、s oralis,area X and central lateral nucleus(CL) in the monkey,and the ventral lateral nucleus and CL in the ratBasal ganglia為大腦半球結構中主要的灰質部分之一,也就是neuron之所在分為:Caudate nucleus (尾狀核) &Putamen (被殼)StriatumCaudate nucleus & putamen 合稱striatum(紋狀體)因經過的axon把他們弄出了條紋的外觀臨床上,basal ganglia是指striatum ,視丘下部神經核,黑質與
4、 運動功能異常有關,特徵,不自主,無目的的運動IntroductionPrecise understanding of the function of these cerebello-thalamo-striatal projections requires detailed knowledge of intrastriatal targets of projection fibers from the cerebello-recipient thalamic nucleiIn the previous studyWe demostrated that thalamostriatal neur
5、ons in the CL receive direct strong projections from the lateral cerebellarnucleus in the rat Special attention toa.whether or not projection fibers from the CL make synapses on dendritic spines,which are a good maker for striatal projection neuronsb.whether or not projection fibers from the CL are
6、in synaptic contact with parvalbumin(PV) immunopostive striatal interneuron,which represent the major class of GABAergic interneurons in the striatumMethoda.Ten male Wistar rats were anesthetized with sodium Pentobarbital (70mg/kg,I.P)b.10% solution of biotin dextran amine(BDA) in 0.01M PB (pH 7.2)
7、was iontophoretically injected in to the CLc.The glass micropipette (tip diameter:15m) using a positive current (5-7 A,7 s on/ 7 s off) for 2030minsSurvivalThe period of 7 days,the rats were re-anesthetized and perfused transcardially with 100ml of saline followed by 500ml of paraformaldehyde and 0.
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