Topic 1 - Meninges, Ventricular system and CSF production

Question 1

Meninges function

Answer 1

Protecting the brain, we cannot see the brain because of the meninges
Carrying the CSF

Question 2

Meninges layers

Answer 2

Dura mater
Arachnoid mater
Pia mater

Question 3

Ventricular system structure

Answer 3

Lateral ventricles
Third ventricle
IV ventricle

Question 4

CSF functions

Answer 4

The CSF provides necessary molecules to the nervous system

Protects the nervous system physically

Question 5

Hydrocephalus

Answer 5

There is a pathology in a developing brain like in a child, where the cerebral acquadut is too little

Question 6

Superior sagittal sinus

Answer 6

It’s a big blood vessel between the two hemispheres.

The CSF is drained out into the superior sagittal sinus, filtered through Arachnoid granulations

Question 7

What is CSF

Answer 7

Blood plasma filtered from the choroid plexus (plasma + vitamins, ions, glucose, oxygen etc..)

Question 8

Where CSF leaves the ventricles and reaches the subarachnoid space

Answer 8

Foramen of Luschka

Foramen of Magendie

Question 9

Choroid plexus

Answer 9

The highly vascular tissue that protrudes into the ventricles and produces cerebrospinal fluid.