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Video: Muaj pes tsawg tus kua dej nyob hauv lub cev?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
CSF yog me ntsis alkaline thiab yog li 99 feem pua dej. Muaj li ntawm 100 txog 150 ml ntawm CSF nyob rau hauv ib txwm neeg laus lub cev.
Kuj tseem yuav paub yog, dab tsi yog tus nqi ntawm cov kua cerebrospinal uas tsim tawm hauv lub cev hauv ib hnub?
Tag nrho volume of CSF nyob rau hauv cov neeg laus thaj tsam los ntawm 140 mus rau 270 ml. Cov ntim ntawm lub qhov ncauj yog li 25 ml. CSF yog ua ntawm tus nqi 0.2 - 0.7 ml ib feeb lossis 600-700 ml ib hnub . Kev ncig ntawm CSF yog pab los ntawm kev ua pa ntawm choroid plexus thiab los ntawm cov lus tsa suab ntawm cilia ntawm ependymal cells.
Ib yam li ntawd, lub cev puas tsim cov kua dej txha caj qaum? Lub hlwb tsim tawm kwv yees li 500 ml ntawm cerebrospinal kua ib hnub, ntawm tus nqi kwv yees li 25 ml ib teev. Qhov no transcellular kua yog tas li reabsorbed, yog li ntawd tsuas yog 125-150 mL nyob rau hauv ib lub sij hawm. CSF ntim ntau dua ntawm mL/kg hauv cov menyuam yaus piv rau cov laus.
Tsuas yog li ntawd, dab tsi yog tus txha caj qaum ua los ntawm?
Cerebrospinal kua ( CSF ) yog ib qho ntshiab, tsis muaj xim ultrafiltrate ntawm plasma nrog cov ntsiab lus protein tsawg thiab ob peb lub hlwb. Cov CSF feem ntau yog ua los ntawm choroid plexus, tab sis kuj los ntawm cov kab sib txuas sib txuas ntawm cov hlwb ntawm lub paj hlwb.
Cov kab mob dab tsi tuaj yeem pom hauv cov leeg txha?
Cov kab mob sib kis ntawm lub hlwb thiab txha caj qaum, suav nrog meningitis thiab encephalitis. Kev kuaj CSF rau kev kis kab mob saib ntawm cov qe ntshav dawb, kab mob, thiab lwm yam tshuaj hauv cov kua dej hauv lub paj hlwb. Cov kab mob autoimmune, xws li Guillain-Barré syndrome thiab ntau yam sclerosis (MS).
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