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Cerebrospinal Fluid

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(a) How is cerebrospinal fluid formed and drained? Describe its pathway within and around the brain.
(b) What happens if CSF is not drained properly? Why is this consequence more harmful in adults?

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The solution discusses how cerebrospinal fluid is formed and drained, and what happens if it is not drained properly.

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CEREBROSPINAL FLUID

(a) How is cerebrospinal fluid formed and drained? Describe its pathway within and around the brain.

Cerebrospinal fluid (CSF) is the fluid that circulates through the subarachnoid space around the brain and spinal cord, and through cavities within the brain (ventricles) and spinal cord (central canal). The subarachnoid space lies between the arachnoid and pia mater.

The fous CSF-filled cavities in the brain are called ventricles. There are two lateral ventricles (each located in a hemisphere of the cerebrum), a third ventricle (superior to the ...

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