Glial cells II

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Axon regeneration depends on :

1)

2)

Answer 5

1) Intrinsic capacity of the neuron to build a new axon

2) The growth-permissiveness of the axonal environment

Question 6

After injury:

1)……regenerate

2)…… do not regenerate

central fibre tracts/ Or /peripheral fibre

Answer 6

Question 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

Glia are muptipotent progenitors :

in development -give rise to ….. and… + mature glia

Glia generate neurones in the adult brain

Answer 10

neurones, fibroblasts

Question 11

g development, large numbers of CNS neurones are generated from….. cells

Answer 11

radial glial

(early glia related to astrocytes)

Question 12

II) IN THE ADULT :

1. Neurones continue to be generated in the adult brain
2. In two regions:
   Xx + xx
3. New neurones are generated from adult neural stem cells that are very similar to xx

Answer 12

I) IN THE ADULT

1. Neurones continue to be generated in the adult brain
2. In two regions :
   Subventricular zone of lateral ventricles +
   Hippocampus
3. New neurones are generated from adult neural stem cells that are very similar to astrocytes ( =? astrocytes)*

Question 13

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 16

Answer 16

Question 17

Answer 17