结果先天性巨结肠狭窄部肠壁肌间神经无神经细胞，可见增多的直径增粗无髓鞘纤维，呈波浪状弯曲。
Results The ganglion cell wasn't found in myenteric nerve plexus of the constriction section. The diameter and the number of the nerve fibers were increased; Schwann's cells were increased.
无痛的舌神经与疼痛的下牙槽神经末梢支脱髓鞘程度无显著性差异（ P>0 .0 5 ）。
No difference could be detected in the demyelination between painless lingual nerve and painful inferior alveolar nerve ( P >0 05)Vessel wall of artery were seen thickened and cavity became smaller.
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