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将CB-HRP引入大鼠A组(侧脑室)和B组(第四脑室)。结果:1.A组:(1)在各接触脑脊液部位均见有CB-HRP颗粒标记。(2)自室壁发出的标记纤维见于尾壳核、终纹床核、弓状核、室周核、正中隆起、下丘脑背内侧核、下丘脑腹内侧核、第四脑室底灰质。(3)远位的标记神经元见于隔外侧核、丘脑前背侧核、乳头体下核、中缝背核、第四脑室底灰质和外侧下橄榄核。(4)部分脑神经根被标记,但其相应核团未见标记细胞。2.B组与A组的不同:(1)中脑水管上段.第三脑室、侧脑室未见有标记结构,(2)在中缝背核和第四脑室底可见到少量标记细胞。
CB-HRP was introduced into rat A (lateral ventricle) and B (fourth ventricle). Results: 1.A group: (1) There are CB-HRP particles in each contact cerebrospinal fluid. (2) The labeled fibers from the ventricular wall were found in the caudate putamen, the striation nucleus, the arcuate nucleus, the periventricular nucleus, the median bulge, the dorsal medial hypothalamic nucleus, the ventromedial hypothalamic nucleus, and the fourth ventricle. (3) The distal labeled neurons are found in the lateral septum, anterior dorsal thalamic nucleus, subthalamic nucleus, dorsal raphe nucleus, fourth ventricle, gray matter, and lateral olivary nucleus. (4) Some cranial nerve roots were labeled, but no corresponding labeled nucleated cells were observed. 2. The difference between group B and group A: (1) In the upper part of the middle cerebral cortex, there is no marked structure in the third ventricle and the lateral ventricle; (2) A small amount of labeled cells can be seen in the dorsal raphe nucleus and the fourth ventricle.