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婴儿出生时,头顶上有两块没有骨质的“天窗”,医学上称为“囟门”。他的作用不但有利于婴儿娩出,而且为大脑继续发育留下
When a baby was born, there were two “skylights” with no bone on top of the head, medically called the “fontanelle”. His role is not only conducive to the baby delivered, but also for the brain to stay and develop