Lecture 9 - Review

Question 1

What is the name of the supporting cell that myelinate CNS neurones?

Answer 1

Oligodendrocytes

Question 2

How many axons can Oligodendrocytes myelinate?

How many axons can a Schwann cell myelinate?

Answer 2

Oligodendrocytes = many axons

Schwann cells = 1 axon

Question 3

What forms spinal nerves?

Answer 3

Ventral and dorsal nerve roots

Question 4

What are rami?

Answer 4

The branches following on from spinal nerves

Question 5

What do ventral rami form??

Answer 5

Limb plexi

Question 6

What do dorsal rami for?

Answer 6

Project posteriorly and supply erector spinae and midline of back

Question 7

What does the meningeal ramus supply?

Answer 7

Supplies meninges

Question 8

What is the composition of spinal nerves, Ventral rami . And dorsal rami?

Answer 8

Motor and spinal roots

Question 9

What is the composition of meningeal rami?

Answer 9

Just sensory roots

Question 10

What connects to ventral rami?

Answer 10

Sympathetic ganglia

Question 11

What 2 structures connect sympathetic ganglion to ventral rami?

Answer 11

Grey ramus communicates
White ramus communicates

Question 12

What is the striatum?

Answer 12

Caudate nucleus and Putamen