CSF and cerebellum

The cycle of CSF

1. Production

2. Circulation

3. Absorption

Where does the production of the CSF take place?

Choriod plexus of the ventricles

Where is the cerebrospinal fluid continuously circulated in?

• The ventricles

• subarachnoid spaces

• foramen

What is the CSF absorbed by?

Arachnoid villi

How does the CSF form?

Through the filtration and secretion of plasma

Hydrocephalus

When there is extra CSF in the ventricles which will cause many unfortuante things to the person.

What is the cerebellum seperated by?

The transverse fissure

What extends into the transverse fissure?

The tentorium cerebelli

Folia

coiled gyri on the surface

Arbor vitae

internal white matter of the cerebellum that appears to have branches

The cerebellum recieves imput from:

• Motor cortex of the brain

• Proprioceptors throughout the body

• Visual and equilibrium pathways

Purpose of the motor cortex imput to cerebellum

It notifies the cerebellum that muscle are contracting

Purpose of proprioceptors imput to cerebellum

They give information to the cerebellum when there is tension in the muscles

Purpose of the visual and equilibrium pathways

They contain input on the position of the body and head so cerebellum has absolute knowledge on the position of the body

Function of the cerebellar cortex

Make sure the body moves normally and calculates everything to ensure maximum effeciency and balance

Cerebellar ataxia

uncoordinated movement

What is ataxic gait?

unsteady walk which is a key element of cerebellar ataxia