This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy 3, Subject name: Anatomy
The choroid plexus of the fouh ventricle is derived from the 
Select and explain. 
A. alar plate, B. basal plate, C. floor plate, D. roof plate
D: roof plate
Answer: D: roof plate 
Explanation: Roof plate & its pial covering give rise to the choroid plexus. Alar plate gives rise to sensory neurons Basal plate gives rise to motor neurons Floor plate contains decussating fibers Rhombic lips give rise to the cerebellum.