This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': 'The only excitatory neuron in the cerebellar coex is \nSelect and explain. \nA. Purkinje cell, B. Basket cell, C. Golgi cell, D. Granular cell', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Granular cells are the only excitatory cells of cerebral coex, use glutamate as neurotransmitter, their axons from parallel fibres Ref: Ganong 25th ed/page 248', 'role': 'assistant'}]