骶丛
RESULTS: ① The sacral plexus was mainly composed of L4, L5 and S1-5 spinal roots, in which L5 spinal root ( 46%) contributed most;
结果:①骶丛主要由L4,L5和S1~5脊神经根组成,其中L5脊神经根(46%)的贡献最大。
INTERVENTION: The origin of spinal roots of the sacral plexus and sciatic nerv e, the distribution of corresponding spinal root between the sciatic nerve and ot her nerves were followed up.
干预:在20具尸体标本上追踪骶丛和坐骨神经的脊神经根来源、相应的脊神经根在坐骨神经和其他神经之间的分布。
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