3. Physiology
        3.2. Cardiovascular
            3.2.5. Special circulations
                3.2.5.1. Cerebral blood flow
3.2.5.1.3. CSF

Cerebrospinal fluid

[KB-fluid:3.6;WG21:p614-620]

A type of transcellular fluid

Function

  1. Act as cushion
    --> Protection from injury
  2. Water bath effect
    --> Brain effectively weights only 50g

NB:

Location

In the ventricles and subarachnoid space, around the brain and spinal cord

Within the meninges

 

Quantity

Total volume: 150mLs

Daily production: 550 mLs/day
--> turnover of 3-4 times/day

Circulation

 

Relationship with ICP

NB:

 

Composition of CSF

Difference between CSF and plasma

[WG21:p616]

In CSF

NB:

About
Reviewed20050816


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