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': 'Facial colliculus is seen in \nSelect and explain. \nA. Midbrain, B. Pons, C. Medulla, D. Interpeduncular foosa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The motor fibres of the facial nerve undergo a loop course around the dorsomedial aspect of abducent nerve nucleus, producing the facial colliculus in the pons. In the early embryogenesis, the motor nucleus of facial nerve is located dorsolateral to cranial end of abducent nucleus. Gradually, it migrates in close proximity to the Spinal nucleus of trigeminal nerve which is called "NEUROBIOTAXIS". (Ref: Vishram Singh textbook of clinical neuroanatomy, second edition pg 80)', 'role': 'assistant'}]