BAB IX LCS.ppt
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Transcript of BAB IX LCS.ppt
![Page 1: BAB IX LCS.ppt](https://reader033.fdokumen.com/reader033/viewer/2022061520/55cf9308550346f57b9b23f7/html5/thumbnails/1.jpg)
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Liquor Cerebrospinalis
( LCS )
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LCS 1
Suatu cairan bening tanpa sel ( tidak seperti darah )
Terdapat dalam:
1. Semua Ventriculus Encephali
2. Spatium Subarachnoideum
Jumlahnya total 140 cc, 25 cc di Sp. Subarachnoideum
Berfungsi sebagai bantal cairan proteksi trauma mekanis terhadap SSP.
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LCS 2
Diproduksi 400 – 500 cc / hari (± 0,35 cc / menit)
Diproduksi oleh:
o 70 % plexus choroideus Ventriculi Encephali
o 12 % oxidasi glucosa
o 18 % extrachoroidal, dari
─ filtrasi kapler pembuluh darah
─ lewat lapisan ependymal sistem ventriculi
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LCS 3 Sirkulasi LCS dimulai / dipicu oleh pulsasi plexus
choroideus
Sirkulasi, sbb:Ventriculus lateralis for. Interventriculare Monroi
↓Aquaductus cerebri Sylvii Ventriculus Tertius
↓Ventriculus Quartus For. Magendii + For. Luschka
↓Spatium subarachnoideum Cisterna cerebellomedullaris
lainnya↓
Villi / granulatio Sinus Sagittalis SuperiorArachnoidalis
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