这个词是什么意思？
A bundle of NERVE FIBERS connecting each posterior horn of the spinal cord to the opposite side of the THALAMUS, carrying information about pain, temperature, and touch. It is one of two major routes by which afferent spinal NERVE FIBERS carrying sensations of somaesthesis are transmitted to the THALAMUS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013133 · MeSH 2026。
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