Question

Question 4 (1 point) Indicate with numbers the correct sequence of events associated with secondary neurulation in vertebrates. Coalescence of lumens to form the central cavity of the neural tube Ingression of neural plate cells below the surface Formation of neural plate Condensation of mesenchymal cells to form medullary cord Differentiation of neurons and glial cells of the central nervous system Cavitation

Answer 1

1. condensation of mesenchymal cells to form medullary cord.

2. Colascence of lumen to form central cavity of neural tube.

3. Cavitation.

4. Ingression of neural plate cells below the surface.

5. Formation of Neural plate.

6. Differentiation of neurons and glial cells of the central nervous system