Iinjongo zengqondo zineengcongolo ezine eziphakathi kwengqondo equlethe umqolo wamanzi omzimba (CSF) . Kukho ezimbini i-ventricle-ventricles-enye kwicala ngalinye kwicala le-cerebral cortex. I-ventriclers lateral iqhubeka ne-thirdricle, ephantsi kwengqondo. I-ventricle yesithathu iyaqhubeka kunye ne-fourthricle, eyenza i-brainstemle.
Iimvumba ziyingxenye ebalulekileyo yenkqubo ye "ventricular system". Ama-ventricle adibaniselana kunye kunye kunye nomsele ongundoqo womgca wesipelini kunye nesithuba se-subarachnoid (isikhala esiphakathi kwezimbini zelinen ezihlukanisa ubuchopho nekhanda). I-CSF ikhiqizwa yimbane ye-ventricles. I-CSF ijikeleza kwi-system yenkqubo ye-ventricular kwaye igqityiwe kwakhona kwisithuba se-subarachnoid.
Kubaluleka
Inkqubo ye-ventricular ibaluleke kakhulu ekusebenzeni ngokuqhelekileyo kwinkqubo yesantya ephakathi. Ikhusela ingqondo ngokuyivumela "ukuthambisa" kwindawo yokuhlambela ngamanzi kunye nokubonelela ngokuphazamiseka kwintlungu. I-CSF ngokwayo inceda ukunika izondlo kwiingqondo kunye nokugcina ingqondo ekulinganiseni kweekhemikhali.
Iingxaki
Ukuvalwa kwe-CSF kubangela ukuba uxinzelelo lukhuphuke ngaphakathi kwenkqubo ye-ventricular kwaye lunokuvelisa i-hydrocephalus.
Ukukhulelwa (njengokwenyama) okanye ukuphuma kwegazi kunokuguqula iimpawu ze-CSF. Ukugqitywa kwe-lumbar (LP), okubizwa nangokuthi umpompo wompompo, ungasetyenziswa ukulinganisa uxinzelelo ngaphakathi kwimbhobho yomgudu, nokuvavanya i-CSF ngempawu zentsholongwane, ukuvuvukala okanye ukubola.
I-LP idla ngokubaluleka kakhulu ekufumaneni izifo zesistim se-nervous central.
Ngokomzekelo, kwi- sarachnoid isisu , i-CT scan ingaqhelekanga, kodwa i-LP iya kubonakalisa igazi kwi-CSF.
Ehlelwe nguHeidi Moawad MD kunye noRichard N. Fogoros, MD
Imithombo
I-Beetham R, i-UK NEQAS ye-Immunochermistry Working group. Iingcebiso zohlalutyo lwe-CSF kwisimiso esinqunyiwe samatye. J Neurol Neurosurg Psychiatry 2004; 75: 528.
UMarton KI, uGean AD. Umpompo womthambo: ukhangelelwano olutsha kwiimvavanyo zakudala. U-Ann Intern Med 1986; 104: 840.