孤束核是一个位于延髓背侧、包绕于孤束周围的Y字形柱状核团。
The nucleus tractus solitarius is the Y shape columnar nucleus that lies in dorsal medulla and encloses solitary tract.
大量纤维形成孤束，主要分布于两侧孤束核、迷走神经背核及最后区。
Most of the fibers form the solitary tract and distribute bilaterally to the nuclei of solitary tract, the dorsal nuclei of the vagus nerve and the area postrema.
所有大鼠首先行蛛网膜下腔置管，然后在相当于T8椎板水平用做好标记的显微剪刀剪断脊髓的背侧2/3，建立大鼠皮质脊髓束横断损伤模型。
All rats first line of subarachnoid catheter, then the equivalent of T8 vertebral level and marked with micro scissors cut the spinal cord dorsal 2/3 rat corticospinal tract transection injury model.
所有大鼠首先行蛛网膜下腔置管，然后在相当于T8椎板水平用做好标记的显微剪刀剪断脊髓的背侧2/3，建立大鼠皮质脊髓束横断损伤模型。
All rats first line of subarachnoid catheter, then the equivalent of T8 vertebral level and marked with micro scissors cut the spinal cord dorsal 2/3 rat corticospinal tract transection injury model.
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