In cases of Parkinson's disease,the following are degenerated:
A) terminals in the striatum.
B) cell bodies in the substantia nigra.
C) axons in the nigrostriatal pathway.
D) all of the above
E) both A and B

Question

Quizplus · Accepted Answer

Parkinson's disease is characterized by the degeneration of dopaminergic neurons located in the substantia nigra, leading to a reduction in the amount of dopamine available at terminals in the striatum. This has led to the widely accepted notion that Parkinson's disease results from degeneration of the nigrostriatal pathway, consisting of the dopaminergic neurons in the substantia nigra and their projections to the striatum. Therefore, both A and B are correct, making D the best choice.

In Cases of Parkinson's Disease,the Following Are Degenerated