Chapter 9

Question 1

Within the neural tube, the formation of new neurons typically occurs in the - and is followed by radial and tangential - to their target destination

Answer 1

ventricular zone; migration

Question 2

The neural crest

Answer 2

develops into the PNS

Question 3

The process of the growth of a fertilized egg into a mature nervous system is called

Answer 3

neurodevelopment

Question 4

Evidence suggests that many neurons die during development because of

Answer 4

their inability to compete successfully for their targets neurotrophins

Question 5

It is now generally acknowledged that adult brains are

Answer 5

capable of major reorganization

Question 6

The idea that migrating neurons are attracted to their final destinations by a specific molecular tag or label on the surface of the destination is called the

Answer 6

chemoaffinity hypothesis

Question 7

What is not typically found in brain development after birth?

Answer 7

pioneer growth cones

Question 8

The first major phase of neurodevelopment is induction of the

Answer 8

neural plate

Question 9

The neural plate develops directly into the

Answer 9

neural groove

Question 10

A recent finding is that synaptogenesis depends on the presence of

Answer 10

astrocytes