目的：研究不同年龄阶段腭裂成形术对患者术后上颌骨三维方向上发育的影响。

Objectives: To investigate the effects of palatoplasty on the development of maxilla after operation.

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此时的胚胎仍需要进一步发育才能成形，但是我们可以看到它已形成大脑。

Now the embryo still need further development, but we can see it has already formed the brain .

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作为狭口蛙的一种，它们不经历蝌蚪阶段，其幼体在卵内就完全发育成形。

Like many of the Microhylidae family, these frogs bypass the tadpole stage, developing fully within the egg.

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