Video: Puas yog sigmoid txoj hnyuv muaj mesentery?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub appendix, transverse txoj hnyuv , thiab sigmoid txoj hnyuv muaj a mesentery (hu ua mesoappendix, transverse mesocolon thiab sigmoid mesocolon, feem), tab sis nce mus txoj hnyuv thiab nqis los txoj hnyuv thiab qhov quav thiab qhov quav yog retroperitoneal; cecm ua ua tsis muaj nws tus kheej mesentery tab sis yog npog hauv txhua qhov ntawm
Tib neeg kuj nug, puas yog sigmoid nyuv muaj Haustra?
Lub plab loj los yog Colon muaj Ob peb Anatomic Regions Qhov no ua rau lub sigmoid qog thiab lub qhov quav (saib daim duab 8.3. 9). Contraction ntawm cov leeg ncig faib cov txoj hnyuv rau hauv cov npe hu ua haustra , muab cov tsos ntawm cov saw ntawm cov hnab me me.
Ib tus kuj tseem yuav nug, puas yog sigmoid colon retroperitoneal? Cov kab mob hauv nruab nrog cev yog lub plab, hnoos qeev, daim siab, teeb ntawm duodenum, jejunum, ileum, hloov pauv txoj hnyuv , thiab sigmoid txoj hnyuv . Cov retroperitoneal kev kho mob lub cev yog cov seem ntawm duodenum, cecum thiab nce txoj hnyuv , nqis los txoj hnyuv , cov txiav, thiab ob lub raum.
Tsis tas li, puas yog sigmoid txoj hnyuv hnyuv me?
Cov txoj hnyuv tseem hu ua txoj hnyuv loj . Lub ileum (qhov kawg ntawm lub hnyuv me ) txuas mus rau cecum (thawj ntu ntawm txoj hnyuv ) hauv qab plab sab xis. Cov sigmoid txoj hnyuv yog luv luv curving ntawm txoj hnyuv , ua ntej lub qhov quav. Cov txoj hnyuv tshem tawm dej, ntsev, thiab qee yam khoom noj uas tsim cov quav.
Dab tsi cais cov hnyuv loj los ntawm cov hnyuv sigmoid?
Tom qab sab laug colic flexure, tus txoj hnyuv tsiv inferiorly mus rau lub pelvis - thiab hu ua nqis txoj hnyuv . Nws yog retroperitoneal nyob rau hauv feem coob ntawm cov tib neeg, tab sis yog nyob ib sab xub ntiag mus rau sab laug lub raum, hla nws cov ciam teb ib sab. Thaum lub txoj hnyuv pib tig nruab nrab, nws dhau los ua sigmoid txoj hnyuv.
Pom zoo:
Tus kab mob plab hnyuv twg yog qhov tshwm sim los ntawm kev mob tsuas yog rau txoj hnyuv thiab qhov quav?
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Dab tsi yog sigmoid mesentery?
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