Embryonic Development of Spinal Cord

Question 1

From which end of the neural tube does the spinal cord develop?

Question 2

In what direction does the spinal cord form?

Question 3

By week 6, what parts of the spinal cord have developed?

Answer 3

Sensory neurons cluster as dorsal root ganglia

&

Two (2) clusters of neuroblasts align in the dorsal and ventral regions surrounding the neural tube

Question 4

What will dorsal cells become?

Answer 4

interneurons (association neurons) which receive sensory input from the sensory neurons

Question 5

What will ventral cells become?

Answer 5

Ventral cells will become motor neurons