关节是骨连结的最高分化形式，下列属于其基本构造的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30849' and id < 2484547 and id<>'2484547' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30849' and id > 2484547 and id<>'2484547' order by id asc limit 5