Image Based Question – 74411

The area marked in the image below is responsible for various motor functions of the body. It receives afferents from all except:

A. Spinal cord

B. Cerebral cortex

C. Substantia nigra

D. Thalamus

Correct Answer » A Explanation

Ans: A. Spinal cord

(Ref. Gray’s 41/ep230, 40/e329-330)

• Marked area is caudate lobe (Part of basal ganglia) , which receives afferents from all other areas of basal ganglia, thalamus as well as higher centres i.e. cerebral cortex, but not from the spinal cord.