pterionyoudaoicibaDictYouDict[pterion 词源字典]
"The region of the side of the skull where the sutures between the sphenoid, parietal, frontal, and temporal bones are located, typically arranged in a pattern resembling the letter H", Late 19th cent. From French ptérion from ptère great wing of the sphenoid bone + -ion.[pterion etymology, pterion origin, 英语词源]