脊髓损伤在病理生理上表现出轴突无明显的改变，病变可逆转的时间是伤后（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25681' and id < 2159120 and id<>'2159120' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25681' and id > 2159120 and id<>'2159120' order by id asc limit 5