This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'The inability to perceive the texture & shape an object occurs in lesion of: \nSelect and explain. \nA. Lateral spino-thalamic tract, B. Nucleus gracils, C. Spino reticular tract, D. Nucleus cuneatus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Nucleus cuneatus The middle pa of cuneate nucleus, the pars rotunds which receives impulses from digits, palm, dorsum of hand & forearm is specific for stereognosisQ.', 'role': 'assistant'}]