This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
[{'content': 'The structure which is NOT a component of basal ganglia \nSelect and explain. \nA. Caudate of basal ganglia, B. Putamen, C. Globus pallidus, D. Thalamus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Anatomically, basal ganglia include *corpus striatum *claustrum *amygdaloid body Corpus striatum includes caudate nucleus, globus Pallidus, putamen. Functionally, basal ganglia also include substantia nigra and subthalamus. (Ref: Vishram Singh textbook of clinical neuroanatomy, second edition pg-154 )', 'role': 'assistant'}]