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
Middle meningeal artery enters the middle cranial fossa through: 
Select and explain. 
A. Foramen ovale., B. Foramen spinosum., C. Foramen rotandum., D. Foramen lacerum.
B: Foramen spinosum.
Answer: B: Foramen spinosum. 
Explanation: None