Substantia nigra
Substantia nigra is located in –
A. Midbrain
B. Hippocampus
C. Motor cortex
D. Thalamus
Substantia nigra appear darker than neighboring areas due to high levels of –
A. Hemosiderin
B. Lutein
C. Neuromelanin
D. Zeaxanthin
Parkinson’s disease is characterized by the loss of dopaminergic neurons in –
A. Pars reticulata
B. Pars compacta
C. Pars plicata
D. Pars nervosa
Projections from the Substantia nigra to the putamen, called –
A. Tuberoinfundibular pathway
B. Mesocortical pathway
C. Nigrostriatal pathway
D. Mesolimbic pathway
Nigrostriatal pathway is critically involved in the motor deficits observed in –
A. Parkinson disease
B. Amyotrophic lateral sclerosis
C. Alzheimer’s disease
D. Multiple sclerosis
