右卵巢动脉是从那条动脉分支来的

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31781' and id < 2540913 and id<>'2540913' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31781' and id > 2540913 and id<>'2540913' order by id asc limit 5