MS-4008

A 78-year-old man arrives at the emergency department after his wife found him unresponsive this morning. According to her, he fell out of bed and hit his head on the bedside table during the night. Upon examination, the man responds to pain but not to voice. A CT scan of his head reveals an extradural hematoma, which is often caused by a rupture of the middle meningeal artery. What is the source of the middle meningeal artery?