Dermatomes & Myotomes

Question 1

What is a dermatome?

Answer 1

An area of skin supplied by a single spinal nerve

Question 2

Cells of the nervous system derive from the neural tube.
In which process does the neural tube develop?
What day in the embryological period does the process begin?
When does it finish?

Answer 2

Neurulation- folding of the neural plate into the neural tube under the influence of the notochord

Neurulation begins on day 18
Completed by day 24