問題詳情

97.周邊神經因創傷而橫斷所發生的變化,下列敘述何者正確?
(A)軸索(axon)被破壞,髓鞘一般仍維持完好
(B)橫斷近端(近神經細胞體)之神經纖維發生華勒氏變性(Wallerian degeneration)
(C)創傷性神經瘤(traumatic neuroma)是因神經再生而形成,它的成分是軸索,但不含其他支持細胞如許旺氏細胞(Schwanncell),纖維組織母細胞(fibroblasts)等
(D)被切斷的神經之近端退化,一般只影響2-3結間節的距離

參考答案

答案:D
難度:困難0.307692
統計:A(0),B(12),C(12),D(12),E(0)

用户評論

【用戶】Chris

【年級】高三下

【評論內容】Wallerian degeneration is a process that results when a nerve fiber is cut or crushed and the part of the axon distal to the injury degenerates.Traumatic neuroma is a haphazard arrangement of small nerve fascicles, containing axons, Schwann cells, and perineurial cells, surrounded by fibrosis

【用戶】Chris

【年級】高三下

【評論內容】Wallerian degeneration is a process that results when a nerve fiber is cut or crushed and the part of the axon distal to the injury degenerates.Traumatic neuroma is a haphazard arrangement of small nerve fascicles, containing axons, Schwann cells, and perineurial cells, surrounded by fibrosis