Physiology ntawm arachnoid villi Arachnoid villi ua raws li ib-txoj kev li qub rau kev ntws ntawm CSF rau hauv cov ntshav venous, thiab hydrostatic siab yog lub ntsiab stimulus uas ua rau cov li qub qhib..
Dab tsi yog arachnoid villi quizlet?
Lub luag haujlwm ntawm arachnoid villi yog dab tsi? knoblike projections ntawm arachnoid uas protrude superiorly los ntawm dura mater thiab mus rau superior sagital sinus. Dab tsi yog qhov ua haujlwm ntawm lub paj hlwb? nqa afferent impulses txuam nrog lub zeem muag.
Lub luag haujlwm tseem ceeb ntawm arachnoid granulations yog dab tsi?
Arachnoid granulations, tseem hu ua Pacchionian granulations, yog qhov projections ntawm arachnoid daim nyias nyias (villi) rau hauv cov pob txha dural uas tso cai rau CSF dhau los ntawm qhov chaw subarachnoid mus rau hauv cov hlab ntsha.
Puas arachnoid villi tsim cov kua cerebrospinal?
CSF ntws hla ntawm lub paj hlwb thiab nqes qhov ntev ntawm tus txha caj qaum thaum nyob hauv qhov chaw subarachnoid. Nws tawm ntawm qhov chaw subarachnoid los ntawm arachnoid villi pom nyob rau hauv lub superior sagittal venous sinus, intracranial venous sinuses, thiab ib ncig ntawm cov hauv paus hniav ntawm tus txha caj qaum.
Yuav ua li cas yog arachnoid villi blocks?
Txhua lub sijhawm muaj qhov txhaws hauv ib qho ntawm lub hlwb lossis cov arachnoid granulations, cov kav dej tuaj yeem rov qab tauQhov thaub qab tuaj yeem ua rau lub hlwb nce ntxiv vim CSF tseem tsim tawm txawm tias muaj kev thaiv. Tus mob no hu ua hydrocephalus.