Neurology: Anatomy - Central nervous system

Question 1

What are the components of the CNS?

Answer 1

Brain and spinal cord

Question 2

What is the function of the CNS?

Answer 2

To integrate and coordinating incoming and outgoing neural signals, and to carry out higher mental functions

Question 3

What are the two types of matter in the CNS?

Answer 3

Gray matter: nuclei
White matter: tracts

Question 4

What are the three layers of the meninges, in order from inner to outer?

Answer 4

Pia mater
Arachnoid mater
Dura mater

Question 5

Between which two meningeal layers is the CSF contained?

Answer 5

Between the pia and arachnoid mater

Question 6

Explain the relation of the dura mater to surrounding bone in the brain vs the spinal cord

Answer 6

In the brain: intimately related to the internal aspect of the surrounding neurocranium
In the spinal cord: separated from the surrounding bone of the vertebral column by a fat-filled epidural spaces