鲨鱼的盔甲与人类的牙齿：一场关于人&鱼的牙齿进化之旅

你知道吗？鲨鱼的皮肤不只是“硬朗的外衣”，它竟然和人类的牙齿有着千丝万缕的联系！这些微型的“皮肤牙齿”，是鲨鱼皮肤特有的小型硬化结构，也被译为真皮细齿（dermal denticles），不仅保护着鲨鱼免受外界伤害，还赋予它们在水中疾驰的流线型优势。而它们的发育过程和我们的牙齿居然出自同一个“祖传秘籍”——一套古老且保守的基因网络。通过研究鲨鱼的真皮齿状结构，我们有可能借此破解牙齿起源的谜题，还可能找到人类牙齿再生的秘密钥匙！今天，我们带你潜入深海，从鲨鱼的鳞片讲到人类的牙齿，再到未来牙齿再生的可能性，揭开这些惊人联系背后的科学真相。

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