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: Anatomy
[{'content': 'Structures passing through foramen spinosum is: \nSelect and explain. \nA. Accessory meningeal artery, B. Middle meningeal artery, C. Mandibular nerve, D. Maxillary nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The foramen spinosum is situated posterolateral to foramen ovale in the lateral part of middle cranial fossa.\nStructures passing through the foramen spinosum:\n\nMiddle meningeal artery.\nMeningeal branch of mandibular nerve or Nervus\xa0spinosus.\nMiddle meningeal vein - posterior trunk.', 'role': 'assistant'}]