We attack force the outside be located in the haematoma outside putamen to call hard meninx haematoma of the certain bulk that skull internal haemorrhage is caused when the head and forms gradually.

• 我们把暴力打击头部时引起颅内出血而逐渐形成的一定体积的位于硬膜外的血肿称为硬脑膜外血肿。