Neuroanatomy - Ventricles and CSF

What secretes CSF ?

Choroid Plexus

Choroid plexus are areas where the lining wall of the ventricle is very thin and has a profusion of capillaries
How does the CSF get from the 4th ventricle to the brain and spinal cord ?

4th ventricle > foramina > subarachnoid space > brain and spinal cord
What collapses in the subarachnoid space to allow venous blood not to flow back into the CSF space. ?

subarachnoid villi
Name the portions of the Diagram ?
Lateral Ventricles
Third Ventricles
Interventricular foramen
Cerebral aqueduct
Fourth Ventricle
Central Canal
Explain the flow of cerebral spinal fluid ?

Choroid plexus > Laterla ventricles > Intreventricular > third ventricle > Cerebral aqueduct of sylvius > From the fourth ventricle, the fluid passes through the Foramen of Magendie (medial) and Foramen of Luschka (lateral) to enter the subarachnoid space >arachnoid villi > Dural spaces > Jugular vein
How much CSF is made a day , how much is typically in the brain ?

720 ml a day

120ml is in the brain
What can TB meningitis cause ?

TB meningitis – block of aqueduct of Sylvius - hydrocephalus

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glparker86

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Card Set

Neuroanatomy - Ventricles and CSF

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Ventricles and CSF

Updated

5/5/2014, 2:42:38 AM

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