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将HRP泳入大鼠室旁核,在其延髓孤束核—迷走背核复合体与脊髓侧索后部、侧角、中央灰质等处出现顺行标记的纤维与终末。连续追踪时,可以区分两条室旁核下行径路。外侧径路自室旁核入下丘脑外侧区与未定带;至下丘脑尾侧部行于被盖腹侧区及其背外侧,在内侧丘系与大脑脚间。至中脑、脑桥时,随外侧丘系移向腹侧;继则行于脑干腹外侧浅部;延入脊髓侧索,最后入灰质。内侧径路经间脑室周、中脑中央灰质、第四脑室底、孤束核—迷走背核复合体、延髓与脊髓中央管周下行。
The HRP was swollen into the paraventricular nucleus of rats, and the fibers and terminals marked by the parallel appeared in the medulla oblongata nucleus - vagus dorsalia complex, the posterior part of spinal cord, lateral horn and central gray matter. Continuous tracking, you can distinguish between the two paraventricular nucleus down the road. Lateral path from the side of the nucleus into the hypothalamus lateral zone and undetermined zone; to the hypothalamic caudal line in the cover ventral area and its dorsolateral, medial mound and the brain between the feet. To the brain, pons, with the lateral mound shift to the ventral; following the line in the superficial portion of the abdomen of the brainstem; extension of the lateral spinal cord, and finally into the gray matter. Medial path through the periventricular, midbrain gray matter, the fourth ventricle, solitary tract - vagus dorsal nucleus complex, medulla oblongata and spinal cord central week down.