Qhov sib txawv tseem ceeb ntawm qhov nce thiab nqis ntawm txoj hnyuv yog qhov nce siab yog ib feem ntawm txoj hnyuv loj uas nce mus rau sab xis ntawm lub plab thaum cov hnyuv loj yog ib feem ntawm txoj hnyuv uas mus rau sab laug plab.
Cov nyuv tseem hu ua lub plab loj lossis txoj hnyuv loj. Nws yog ib feem ntawm lub digestive system ntawm tib neeg lub cev. Lub luag haujlwm ntawm txoj hnyuv yog kom lub cev qhuav dej ntawm cov zaub mov thiab tsim rau hauv cov quav. Nws muaj ob peb ntu, suav nrog cecum, ascending colon, transverse colon, descending colon, thiab sigmoid colon.
Ascending Colon yog dab tsi?
Ascending nyuv yog ib feem ntawm txoj hnyuv loj uas mus rau sab xis ntawm lub plab. Nyob rau hauv biological anatomy ntawm tib neeg thiab homologous primates, ascending nyuv yog ib feem tseem ceeb ntawm txoj hnyuv. Nws nyob nruab nrab ntawm lub cecum thiab transverse nyuv. Cov kab mob ascending yog me me nyob rau hauv caliber tshaj lub cecum los ntawm qhov chaw nws pib. Ascending colon hla upward opposite lub colic valve mus rau hauv qab ntawm sab xis lobe ntawm lub siab thiab nyob rau sab xis ntawm lub gallbladder, qhov twg ascending nyuv yog nyob rau hauv ib tug ntiav kev nyuaj siab hu ua lub siab colic. Ntawm no, cov nyuv ascending khoov sai sai rau pem hauv ntej thiab sab laug thiab tsim txoj cai colic flexure, qhov twg nws dhau los ua txoj hnyuv loj.
Cov innervations parasympathetic rau cov nyuv ascending yog muab los ntawm cov hlab ntsha vagus, thaum sympathetic innervations yog muab los ntawm thoracic splanchnic qab haus huv. Qhov ntev ntawm qhov ascending nyuv yog 6.6 cm. Tsis tas li ntawd, qhov tseeb qhov chaw ntawm txoj hnyuv ascending yog nyob rau sab xis ntawm lub cev. Yog li ntawd, lo lus txoj hnyuv loj yog hypernymous rau ascending nyuv. Lub luag haujlwm ntawm txoj hnyuv ascending yog nqus cov dej seem thiab lwm yam khoom noj tseem ceeb los ntawm cov khoom tsis zoo thiab ua kom nws ua rau cov quav.
Dab tsi yog qhov Descending Colon?
Txoj hnyuv laus yog ib feem ntawm txoj hnyuv loj uas mus rau sab laug plab. Nws yog lub ntsiab lus thib peb uas txuas cov nyuv transverse mus rau sigmoid nyuv. Nws pib tom qab splenic flexure thiab xaus thaum nws koom nrog sigmoid nyuv. Nws yog lub cev retroperitoneal. Qhov ntawd txhais tau tias nws yog qab lub peritoneum.
Cov kab mob qis qis yog kwv yees li 6.3 cm ntev. Nws yog nyob rau hauv sab laug lumbar cheeb tsam ntawm lub plab mog. Lub cheeb tsam no yog nyob rau nruab nrab sab laug ntawm lub plab mog. Lub plab hnyuv loj zuj zus mus rau pem hauv ntej thiab nqes mus rau sab laug raum hauv cheeb tsam no. Tsis tas li ntawd, qhov kawg ntawm txoj haujlwm ntawm txoj hnyuv qis yog khaws cov quav khov uas yuav kawg khoob rau hauv qhov quav kom tshem tawm ntawm lub cev.
Dab tsi zoo sib xws ntawm Ascending thiab Descending Colon?
- Ascending thiab descending nyuv yog ob qhov tseem ceeb ntawm txoj hnyuv.
- Ob leeg yog ntu ntawm sab qis ntawm lub plab zom mov.
- Lawv koom tes hauv kev zom zaub mov.
- Ob leeg raug mob sib txawv.
Qhov txawv ntawm Ascending thiab Descending Colon yog dab tsi?
Ascending nyuv yog ib feem ntawm cov nyuv uas taug kev sab xis ntawm lub plab, thaum cov nyuv nqis los yog ib feem ntawm txoj hnyuv uas mus rau sab laug plab. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm kev nce thiab nqis qis. Tsis tas li ntawd, ascending nyuv yog 6.6 cm ntev. Ntawm qhov tod tes, qhov qis qis qis yog 6.3 cm ntev.
Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm qhov nce thiab nqis ntawm txoj hnyuv hauv daim ntawv tabular rau ib sab ntawm kev sib piv.
Summary – Ascending vs Descending Colon
Ascending thiab descending nyuv yog ob qhov tseem ceeb ntawm txoj hnyuv loj lossis lub plab hnyuv loj (cov hnyuv loj). Ascending Colon yog ib feem ntawm txoj hnyuv loj uas mus rau sab xis ntawm lub plab, thaum lub plab hnyuv loj yog ib feem ntawm txoj hnyuv loj uas mus rau sab laug plab. Yog li, qhov no qhia txog qhov sib txawv ntawm qhov nce thiab nqis qis.
