为啥兔子耳朵能再生?老鼠却不行? episode artwork

EPISODE · Jun 28, 2025 · 5 MIN

为啥兔子耳朵能再生?老鼠却不行?

from 天方烨谈

壁虎断尾重生,蝾螈大脑自愈,哺乳动物中的兔子、山羊等也具备一定的再生能力。而人类、小鼠这类高等哺乳动物受伤后,往往只能结疤愈合,无法“原装”再生。为什么高等哺乳动物在进化过程中丢失了这些能力?这是生物学界的一大谜题。最近,科学家们在小鼠和兔子的“耳朵”上找到了关键线索。

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为啥兔子耳朵能再生?老鼠却不行?

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