Dural venous sinuses yog venous channels nyob intracranally ntawm ob txheej ntawm dura mater (endosteal txheej thiab meningeal txheej)thiab tuaj yeem xav tau raws li cov hlab ntsha epidural. Tsis zoo li lwm cov hlab ntsha hauv lub cev, lawv khiav ib leeg thiab tsis sib npaug rau cov hlab ntsha.
Dural sinuses nyob qhov twg?
Lub dural venous sinuses dag nruab nrab ntawm cov txheej txheem periosteal thiab meningeal ntawm dura mater. Lawv yog qhov zoo tshaj plaws xav txog kev sau cov ntshav, uas tso rau hauv nruab nrab paj hlwb, lub ntsej muag, thiab tawv taub hau. Tag nrho cov dural venous sinuses thaum kawg ntws mus rau hauv cov leeg jugular leeg.
Dural sinuses nyob qhov twg?
Dural venous sinuses yog nyob rau hauv lub endothelium ntawm endosteal thiab meningeal txheej ntawm dura mater. Lawv tau txais cov ntshav los ntawm lub hlwb, pob txha taub hau, lub orbit, thiab pob ntseg. Tag nrho cov ntshav ntawm lub hlwb mus rau cov sinuses thiab nws thiaj li muab pov tseg rau hauv cov hlab ntsha hauv jugular.
cerebral venous sinus nyob qhov twg?
Cerebral Venous Sinus Thrombosis (CVST) yog ib hom ntshav khov uas tsis tshua muaj tshwm sim hauv cov hlab ntsha hauv koj lub hlwb. Qhov no yog cov txheej txheem ntawm cov leeg pom nruab nrab ntawm cov txheej ntawm dura mater - tawv txheej txheej ntawm koj lub hlwbuas nyob ncaj qha hauv qab koj pob txha taub hau.
Sagittal dural sinus nyob qhov twg?
Qhov ntau yam dural venous sinus tam sim no tau piav qhia. Tus superiorsagittal sinus pom nyob rau hauv ciam teb sab sauv ntawm falx cerebri thiab pib ntawm crista galli. Lub superior sagittal sinus yog noj los ntawm cov ntshav los ntawm superior cerebrals hlab ntsha thiab xaus ntawm lub confluence ntawm sinuses nyob rau hauv lub occipital protuberance.