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猫感觉运动皮层至脑干投射的放射自显影研究

An autoradiographical study of the projections from the feline sensorimotor cortex to the brain stem.

作者信息

Flindt-Egebak P

出版信息

J Hirnforsch. 1979;20(4):375-90.

PMID:546974
Abstract

Following an autoradiographical study on the projections from the feline sensorimotor cortex (representation of the limbs) to the brain stem, new projections to nucleus pretectalis posterior, the coerulear nuclei, nuclei corporis pontobulbares, nucleus intertrigeminalis, nucleus f, x and z of the vestibular nuclear complex, nucleus parvocellularis compactus, nucleus parasolitarius, nuclei insulae cuneati laterales, the nuclei of the raphé, nucleus reticularis lateralis and nucleus fastigii were found besides the well known projections to the tectal nuclei, the reticular formation, nucleus ruber, griseum pontis, the sensory trigeminal nuclei and the dorsal column nuclei. There was no evidence of projections to nucleus tractus solitarii. The amounts of radioactivity within the nuclei seem to be in favour of EM autoradiographical studies on the synaptology of these projections, apart from faintly labelled structures like most of the reticular nuclei, the sensory trigeminal nuclei, the coerulear nuclei and nucleus fastigii.

摘要

在对猫的感觉运动皮层(肢体代表区)向脑干的投射进行放射自显影研究后,除了已知的向顶盖核、网状结构、红核、脑桥灰质、感觉三叉神经核和薄束核的投射外,还发现了向顶盖后核、蓝斑核、脑桥延髓体核、三叉间核、前庭核复合体的f、x和z核、小细胞致密核、孤束旁核、楔外侧岛叶核、中缝核、外侧网状核和顶核的新投射。没有证据表明存在向孤束核的投射。除了大多数网状核、感觉三叉神经核、蓝斑核和顶核等标记较淡的结构外,核内的放射性量似乎有利于对这些投射的突触学进行电镜放射自显影研究。

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J Physiol. 1989 Sep;416:19-30. doi: 10.1113/jphysiol.1989.sp017746.