CNS Development

Question 1

Cauda Equina: consisting of :

Answer 1

1) dorsal and ventral roots (L3–Co) that descend below the level of the conus medullaris.
2) filum terminale, which anchors the spinal cord to the coccyx.

Question 2

Termination of spinal cord shows the following changes:

1. At 8 weeks:…….l…….
2. At birth:………….
3. In adults:………..

Answer 2

1-entire length of the vertebral canal
2-the conus medullaris extends to the level (VL3).
3-the conus medullaris terminates at the VL1–VL2 interspace.