[名词解释] 头围(headcircumference)

体重过重(overweight) 上臂围(armcircumference) 通过颈静脉孔的结构有（） ["颈内动脉","基底动脉","上颌神经","下颌神经","副神经"] 前囟(anteriorfontanel) 不属于脑外伤后常见的合并症是() ["A．脑血管损伤","B．脑萎缩","C．脑穿通畸形","D．脑积水","E．脑室钙化"] 头围(headcircumference)