Development of the Nervous System and Special Senses ( Finals )

Question 1

The notochord induces overlaying ectoderm to become ? and form a neural tube

Answer 1

neuroectoderm

Question 2

ectodermal cells overlaying the notochord become tall columnar, producing a thickened?

Answer 2

neural plate

Question 3

the neural plate is transformed into a?

Answer 3

neural groove

Question 4

the dorsal margins of the neural groove merge medially, forming a?

Answer 4

neural tube

Question 5

the dorsal margins of the neural groove merge medially, forming a ? composed of columnar neuroepithelial cells surrounding a neural cavity

Answer 5

neural tube

Question 6

It becomes central nervous system (CNS), which consists of the brain and spinal cord.

Answer 6

Neural tube

Question 7

The cavity of the tube (neural cavity) becomes the ? of the brain

Answer 7

ventricles

Question 8

The cavity of the tube (neural cavity) becomes the ventricles of the brain and ? of the spinal cord

Answer 8

central canal

Question 9

cells become those neurons of peripheral nervous system (PNS) that have their cell bodies located in ganglia.

Answer 9

Neural crest

Question 10

also become neurolemmocytes (Schwann cells) of the PNS

Answer 10

Neural crest