Serious person the child is in new student period can appear Xin door is particularly big, did not fold because of two parietal bone and before of Xin door hind horn and hind Xin door be connected to.

• 严重者孩子在新生儿期即可出现囟门非凡大，因为两顶骨未合拢而前囟门的后角与后囟门通连。