CSF

About csf
1. Volume?150 ml
2. Rate of formation?550 ml per day or 23 ml per hr or 0.38 ml per minute
3. No of turnover per day?3
4. Specific gravity?1.006-1.007
5. Ph?7.33
6. Pressure?70-180 mm water
7. Ion with max csf/plasma ratio?mg
8. Min csf/plasma ratio? Protein cholesterol
9. Equal csf/plasma ratio?osmolality
10. Which cell absent?neutrophil