[医] 下行束;
Results 225 piece of the upper digestive tract polyps in 216 patients was removed, 20 piece of polyps were located to descending part of duodenum, 205 piece of polyps were examined pathologically, 2 cases were unsuccessful.
结果共切除息肉225颗,其中20颗息肉因进入十二指肠降段,205颗息肉进行病理活检,2例电切未能成功。
The corticospinal tract is a descending tract that originates in the brain and controls voluntary movements, while the ascending tracts carry sensory information.
皮质脊髓束是一个起源于大脑的下行传导束,控制自主运动,而上行传导束则传递感觉信息。
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