[名词解释] 指距(span)

头围(headcircumference) 体重(weight) 前囟(anteriorfontanel) 上部量 基底节为大脑半球内灰质核团，不包括() ["A．尾状核","B．豆状核","C．丘脑","D．屏状核","E．杏仁核"] 指距(span)