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': 'All are true regarding coicospinal tract except? \nSelect and explain. \nA. Also called pyramidal tract, B. Maximum fibers arise from primary motor coex, C. Forms pyramids in medulla, D. 80% fibers are crossed', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' I,e,, Maximum fibers arise from primary motor coex[Ref Principles of medical physiology p.238-239Coicospinal tract is the most impoant tract through which the motor coex controls the activity of the ventral horn cells (alpha-motor neurons) in the spinal cord.It is also called pyramidal tract because they form the pyramid of the medulla.", 'role': 'assistant'}]