Daih’it, seizdoeng habliengh gwn di laeujmakit he ndaej bang fuengzceih bingh sailwed sim. Seizdoeng mbwn nit, sailwed ndang vunz yinhsoengq deng gaz, hezyaz hix gaenriengz swng sang, boux baenz hezyaz sang caeuq boux baenz binghsimdaeuz demlai. Ndaw laeuj- makit hamz miz gak loih gvangvuzciz caeuq lai cungj veizswnghsu, ndaej gyangqdaemq danjgucunz hamz- liengh ndaw ndang, hawj ndang vunz mizyauq dwk bae yawhfuengz baenz bingh sim sailwed.

Daihngeih, ndaej bangcoh fuengzceih baenz dwgliengz. Seiz- doeng mbwn hawqsauj caemhcaiq nitgyoet, haujlai vunz yungzheih baenz siengfung dwgliengz. Ndaw laeujmakit daegbied dwg laeujnding hamz miz daihliengh dohfwnh doxgaiq caeuq veizswnghsu, ndaej bang vunzraeuz dingj binghdoeg dwgliengz, daezsang menjyizliz.

Daihsam, ndaej bang vunz- raeuz baujhoh dungxsaej. Seizdoeng mbwn nit, ndang vunz yungzheih cauhbaenz heiqyiengz hawnyieg caeuq beizheiq hawcaep, ndaw laeujmakit hamz danhningz lai, ndaej diuzcez gij goengnaengz gezcangz（结肠）， baujhoh dungx- saej.

Laeujmakit yienznaeuz ndei gwn, danhseih lwgnyez、boux daep miz bingh、mehdaiqndang、boux dungx miz bingh mbouj hab gwn, mboujnex aendungx deng gig le bingh engq haeuj naek.