12- CEREBRO SPINAL FLUID

1- CSF is normally produced in the choroid plexus of the ventricles and is drained at the archnoid villi .

2- normal csf volume in an adult - 150 ml

3- normal csf pressure ----------- 50 to 180 mm of water.

4- are red blood cells normally present in csf ? NO , THE PRESENCE OF RBC IN THE CSF INDICATES PATHOLOGY .

5- are white blood cells normally found in csf ? YES , 0 TO 5 MONONUCLEAR CELLS PER mm3.

6- are neutrophils normally present in csf ? NO , ONLY MONONUCLEAR CELLS LIKE LYMPHOCYTES ( 60-70 % ) AND MONOCYTES ( 30 - 50 % ) are present. SO MULTINUCLEATED CELLS ARE GENERALLY ABSENT IN NORMAL CSF.

7- amount of glucose in the csf ? normally----- 40 - 70 mg/dl

8- amount of total lumbar csf protein ? normally ---- 15- 50 mg/dl

9- amount of lactate in the csf ? normally ----- 10 -20 mg/dl.