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Video: Qhov twg yuav nyob hauv mediastinum?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov mediastinum yog ib cheeb tsam tseem ceeb ntawm lub cev nyob nruab nrab ntawm lub ntsws. Cov qauv uas nyob hauv thaj av no suav nrog lub plawv, txoj hlab pas, lub ntsws, thiab cov hlab ntshav loj suav nrog thaj chaw ntawd.
Kuj nug, dab tsi nyob rau hauv lub mediastinum?
Cov mediastinum yog ib qho kev faib ntawm cov kab noj hniav thoracic; nws muaj lub plawv, thymus caj pas, ib feem ntawm txoj hlab pas thiab lub ntsws, thiab lwm yam txheej txheem. Rau lub hom phiaj kho mob nws yog ib txwm faib ua ntej, thaj tsam nruab nrab, tom qab, thiab thaj tsam zoo tshaj.
Tsis tas li, cov qauv dab tsi tsis pom hauv mediastinum? Lub esophagus, lub plawv, thymus caj pas, thiab trachea yog pom hauv mediastinum . Lub ntsws yog tsis pom hauv mediastinum.
Ntawm no, dab tsi ntawm mediastinum yog thymus hauv?
Thymus . Cov thymus cev yog lub feem ntau anterior qauv nyob rau hauv lub superior mediastinum . Nws tso dej yaug tawm tsam sab nraub qaum ntawm sternum thiab nthuav mus rau hauv ntej mediastinum (Fig 4) thiab feem ntau tuaj yeem ncav cuag hauv caj dab.
Puas yog lub plab nyob hauv mediastinum?
Txoj hlab pas (Daim duab 1032) lossis lub qhov ncauj yog cov leeg nqaij, kwv yees li 23 txog 25 cm. ntev, extending ntawm lub pharynx mus rau lub plab . Lub thoracic feem ntawm txoj hlab pas yog thawj zaug nyob nyob rau hauv superior mediastinum nruab nrab ntawm trachea thiab kab lus vertebral, me ntsis mus rau sab laug ntawm kab nruab nrab.
Pom zoo:
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Dr. John M. Harris tau pib lub ntiaj teb thawj lub tsev kho hniav hauv Bainbridge, Ohio, thiab tau pab tsim kho hniav raws li kev noj qab haus huv. Nws qhib rau 21 Lub Ob Hlis 1828, thiab niaj hnub no yog tsev khaws puav pheej kho hniav. Thawj lub tsev kawm kho hniav, Baltimore College ntawm Kev Kho Hniav, tau qhib hauv Baltimore, Maryland, Asmeskas xyoo 1840
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Hauv tib neeg, HEVs tau pom nyob hauv txhua qhov nruab nrab lymphoid (tshwj tsis yog tus po, qhov twg cov ntshav tawm los ntawm cov hlab ntsha qhib thiab nkag mus rau cov nqaij liab), suav nrog ntau pua ntawm cov qog ntshav uas tau tawg hauv lub cev, tonsils thiab adenoids hauv pharynx, Peyer thaj ua rau thaj (PIs) nyob rau hauv txoj hnyuv me, daim ntawv ntxiv, thiab me me
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Lub plab feem ntau yog nyob rau sab laug sab saud sab hauv qab lub diaphragm thiab txuas nrog zoo dua rau txoj hlab pas thiab nyob deb rau duodenum
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IM txhaj rau hauv Gluteus medius site (lub pob tw) Nrhiav tus trochanter. Nrhiav lub posterior iliac crest. Kos ib txoj kab kev xav ntawm ob lub pob txha. Tom qab nrhiav qhov chaw nruab nrab ntawm txoj kab kev xav, nrhiav tus taw tes ib nti rau ntawm lub taub hau. Ua kom tawv nqaij nruj. Tuav lub koob txhaj tshuaj zoo li tus xaum lossis dart
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Jejunum yog ib nrab ntawm txoj hnyuv me, nruab nrab ntawm duodenum thiab ileum. Feem ntau digestion thiab assorption nyob rau hauv lub jejunum