对直肠的解剖描述，下列不正确的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31775' and id < 2540430 and id<>'2540430' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31775' and id > 2540430 and id<>'2540430' order by id asc limit 5