Koj puas tau xav txog seb muaj dab tsi tshwm sim rau koj cov zaub mov tom qab nws tawm hauv koj lub plab? Nws mus qhov twg tom ntej? Hnub no, peb yuav tham txog qhov chaw tseem ceeb ntawm txoj kev taug kev ntawd. Nws yog ib tug phab ej me me tab sis muaj zog hauv koj lub cev zom zaub mov, ua haujlwm ntsiag to kom koj muaj zog. Cia peb kawm txog nws.
Hauv lus yooj yim, duodenum yog dab tsi?
Lub duodenum yog thawj feem ntawm koj txoj hnyuv me . Txawm hais tias nws lub npe, txoj hnyuv me yog qhov ntev tshaj plaws ntawm koj txoj hnyuv. Nws yog qhov no uas cov khoom noj uas koj noj tau hloov mus ua kua, uas cia koj lub cev nqus cov as-ham tseem ceeb xws li cov protein, cov rog, thiab cov vitamins .
Lub plab hnyuv me me (duodenum) yog ib lub raj luv luv uas zoo li tsab ntawv 'C'. Cov khoom noj los ntawm lub plab nkag mus rau hauv lub plab hnyuv me me ua ntej. Cov seem tom qab ntawm txoj hnyuv me me yog jejunum thiab ileum.
Cov haujlwm tseem ceeb ntawm duodenum yog dab tsi?
Txoj haujlwm tseem ceeb ntawm lub plab hnyuv me me (duodenum) yog txuas ntxiv cov txheej txheem zom zaub mov uas pib hauv koj lub qhov ncauj thiab lub plab thiab pib nqus cov as-ham rau hauv koj cov ntshav. Ua ntej mus txog lub plab hnyuv me me, cov khoom noj sib xyaw nrog cov qaub ncaug thiab cov kua qaub hauv plab kom ua cov kua tuab hu ua 'chyme'. Hauv lub plab hnyuv me me, cov chyme no raug ua kom tiav mus ua cov khoom noj uas siv tau.
Nov yog cov txheej txheem tseem ceeb uas tshwm sim hauv duodenum:
| Kev Ua Haujlwm | Cov Txheej Txheem Piav Qhia Yooj Yim |
|---|---|
| Kev ua kom cov kua qaub hauv plab tsis txhob tawm los | Cov chyme uas nkag los ntawm lub plab muaj cov kua qaub ntau heev. Lub duodenum tsim ib hom tshuaj hormone hu ua 'secretin' uas qhia txog kev tso tawm bicarbonate, uas ua rau cov kua qaub no tsis muaj zog. Qhov no tiv thaiv cov hnyuv me me ntawm kev puas tsuaj los ntawm cov kua qaub thiab tsim ib puag ncig zoo rau kev nqus cov as-ham. |
| Kev rhuav tshem cov khoom noj khoom haus | Cov hnyuv me me (duodenum) tsim ib hom tshuaj hormones hu ua 'cholecystokinin', uas ceeb toom koj lub txiav (pancreas), lub zais zis (gallbladder), thiab lub siab kom tso cov tshuaj pab zom zaub mov. Cov kua tsib (bile) los ntawm lub siab thiab lub zais zis (gallbladder) zom cov rog, thaum cov enzymes los ntawm lub zais zis (pancreas) zom cov rog, cov protein, thiab cov carbohydrates kom nqus tau. |
| Tsiv Khoom Noj Mus Rau Yav Tom Ntej | Cov khoom noj seem raug thawb mus rau hauv qhov tom ntej ntawm txoj hnyuv me (jejunum). Qhov no ua tiav los ntawm kev sib zog ntawm cov leeg nqaij hu ua peristalsis. |
Qhov Loj thiab Qhov Chaw ntawm Duodenum
Lub plab hnyuv me me (duodenum) yog ntu luv tshaj plaws ntawm txoj hnyuv me, ntev li ntawm 10 ntiv tes. Lo lus "Duodenum" yog los ntawm lo lus Latin uas txhais tau tias "12 tus ntiv tes," uas sawv cev rau nws qhov dav kwv yees li 12 tus ntiv tes.
Yog xav txog qhov no, tag nrho koj txoj hnyuv me me ntev li 22 feet—kwv yees li qhov ntev ntawm lub tshav pob tesniv. Txawm li cas los xij, hauv ntu me me 10-nti no, muaj ntau yam khoom noj khoom haus tseem ceeb uas nqus tau.
Lub duodenum nyob hauv qab lub plab. Nws nkhaus ua tus duab 'C' mus rau sab xis, tom qab, thiab tom qab ntawd mus rau sab laug. Qhov dav tshaj plaws ntawm koj lub pancreas zaum zoo nyob rau hauv qhov nkhaus 'C' no.
Plaub Ntu ntawm Duodenum
Lub duodenum muab faib ua plaub ntu raws li lawv qhov chaw thiab cov duab:
1. Ntu sab saud: Ntu sab saud txuas nrog lub plab, ntev li 2 ntiv tes. Vim tias nws raug cov kua qaub hauv plab ntau tshaj plaws, qhov no yog qhov chaw feem ntau rau cov qhov txhab .
2. Ntu nqis: Ib feem ntawm 'C' uas nkhaus mus rau hauv qab, ntev li 4 ntiv tes. Qhov no yog qhov uas cov kav dej los ntawm lub txiav , lub zais zis , thiab lub siab txuas mus rau xa cov kua tsib thiab cov enzymes tseem ceeb.
3. Ntu kab rov tav: Ntev li 4 ntiv tes, ntu no hla ntawm sab xis mus rau sab laug ntawm lub cev, hla dhau cov hlab ntsha loj.
4. Ntu nce mus rau saud: Ntu luv tshaj plaws (tsawg dua ib nti), uas nkhaus mus rau sab saud kom txuas nrog lub jejunum.
Cov qauv ntawm phab ntsa Duodenal
Phab ntsa muaj plaub txheej tseem ceeb:
- Mucosa: Txheej sab hauv tshaj plaws, muaj cov khoom me me hu ua microvilli uas ua rau thaj chaw ntawm lub cev loj dua rau kev nqus cov as-ham ntau tshaj plaws.
- Submucosa: Muaj cov hlab ntsha thiab cov nqaij sib txuas. Nws kuj tseem muaj cov qog Brunner, uas tsim cov kua qaub los tshem tawm cov kua qaub hauv plab.
- Muscularis: Muaj cov leeg nqaij du uas yog lub luag haujlwm rau kev sib tov thiab txav cov khoom noj mus tom ntej.
- Serosa: Lub npog tiv thaiv sab nraud tshaj plaws.
Hauv ntej, lub plab hnyuv me ua haujlwm zoo li lub tshuab sib tov thiab lim dej siv thev naus laus zis siab heev. Nws tswj cov kua qaub hauv lub cev, ntxiv cov enzymes tsim nyog, rho tawm cov as-ham, thiab npaj cov seem rau theem tom ntej ntawm kev zom zaub mov.
Cov Kab Mob Duodenal Feem Ntau
Vim tias nws nyob ze rau lub plab heev, duodenum thiaj li yooj yim raug cov kua qaub ntau dhau, uas tuaj yeem ua rau mob peptic ulcers. Ob qho ua rau mob yog H. pylori kis kab mob thiab kev siv cov NSAIDs tas li (xws li aspirin lossis ibuprofen).
Yog tias tsis kho qhov txhab, nws yuav ua rau phab ntsa ntawm lub plab hnyuv lwj thiab ua rau cov hlab ntsha hauv qab puas tsuaj, ua rau nws los ntshav hnyav heev. Qhov no yog ib qho xwm txheej ceev uas yuav tsum tau kho tam sim ntawd.
- Kab mob Crohn: Ua rau mob o hauv txoj hnyuv me.
- Kab mob Celiac: Kev tiv thaiv kab mob rau kev noj gluten.
- Mob qog nqaij hlav duodenal: Mob qog nqaij hlav uas pib hauv cov hlwb ntawm duodenum.
- Duodenitis: o ntawm lub duodenum.
- Kev txhaws ntawm txoj hnyuv me: Kev txhaws hauv txoj hnyuv me uas yuav tsum tau kho mob ceev.
Cov Cim Ceeb Toom
Cov tsos mob sib txawv, tab sis cov tsos mob feem ntau muaj xws li:
- Mob plab
- Kev o thiab roj
- Kab mob cem quav
- Mob raws plab
- Xeev siab thiab ntuav
- Kev zom zaub mov tsis zoo
- Ntshav hauv cov ntuav lossis quav (tej zaum yuav yog ib qho cim qhia tias muaj qhov txhab los ntshav - nrhiav kev kho mob ceev tam sim ntawd)
Yog tias koj muaj cov tsos mob tsis tu ncua, thov nrog koj tus kws kho mob tham kom tau kev ntsuam xyuas los ntawm kws tshaj lij.
Kev Kuaj Mob
Koj tus kws kho mob yuav pom zoo kom kuaj tshwj xeeb raws li koj cov tsos mob:
- Kev kuaj ua pa: Txhawm rau nrhiav kev kis tus kab mob H. pylori.
- Kev Thaij Duab: Ultrasound, X-rays, CT scans, lossis MRIs.
- Endoscopy: Siv lub koob yees duab nyias nyias thiab yoog tau los saib sab hauv ntawm koj lub duodenum.
- Biopsy: Siv cov qauv me me ntawm cov ntaub so ntswg los kuaj seb puas muaj qhov txawv txav.
Cov Kev Kho Mob
- Tshuaj tua kab mob: Siv los kho cov kab mob bacterial xws li H. pylori.
- Cov tshuaj Corticosteroids: Yuav kom txo tau qhov mob hnyav.
- Cov tshuaj uas txo cov kua qaub hauv lub plab: Xws li PPIs, H2 blockers, thiab antacids.
- Kev Phais Mob: Yuav tsum tau ua rau cov mob hnyav xws li kev thaiv lossis mob qog noj ntshav.
Nirogi Lanka Take-Home Message
- Lub duodenum yog thawj qhov tseem ceeb 'C'-zoo li ntawm koj txoj hnyuv me uas tswj kev nqus cov as-ham tseem ceeb.
- Nws neutralizes lub plab acid thiab npaj zaub mov rau kev zom zaub mov.
- Tsis txhob siv cov tshuaj NSAIDs ntau dhau thiab saib xyuas seb puas muaj cov cim qhia tias muaj tus kab mob H. pylori kom tiv thaiv tau cov qhov txhab.
- Yog koj mob plab tas li lossis muaj cov cim qhia tias koj los ntshav, nrhiav kev pab kho mob tam sim ntawd.
- Kev noj zaub mov zoo uas muaj fiber ntau, haus dej kom txaus, thiab tsis txhob haus luam yeeb thiab haus cawv ntau dhau yuav pab tau koj lub cev zom zaub mov tag nrho, suav nrog duodenum.
Duodenum, txoj hnyuv me, kev zom zaub mov, mob plab, mob peptic ulcer, H. pylori, Nirogi Lanka
