自割 (Autotomy)是一種動物求生的本能,其中的例子包括壁虎斷尾,螃蟹斷臂等等。603Please respect copyright.PENANASuGrLUv2P8603Please respect copyright.PENANAn6ZLAFXQ9r
603Please respect copyright.PENANA9XPtWm5jnL
過一段時間後,器官便會再生回復至原來的樣貌,其體積有機會比原來的更為細少。603Please respect copyright.PENANAtYOyyOPv5o
603Please respect copyright.PENANAg3uflnbmXY
(圖2)有科學家嘗試用尼龍蠅綁住海蛞蝓(Sea Slug)的頸部,發現牠們有能力進行自割,頭身分離。603Please respect copyright.PENANAQJgE0RaUZE603Please respect copyright.PENANAK4E3yEOg2E
603Please respect copyright.PENANAu8CitXJYJ3
有情況甚至是頭部與心臟、大腸、性器官等分離。而其脫離的頭部則吃著海藻維生。603Please respect copyright.PENANAO4tqbcp31Y
603Please respect copyright.PENANA1gca1zfscQ
7日後,頭部發展出心臟等器官。約20日後,所有器官亦能順利發展成為原狀,又一條好漢。603Please respect copyright.PENANA0XmKRMrPFH
603Please respect copyright.PENANAWLePvCaySg
至於被遺棄的身體,則隨著時間變得暗淡及萎縮,沒能長出頭部。603Please respect copyright.PENANA03Wr6Dumhd
603Please respect copyright.PENANANucoi7NzKF
(圖3)自然情況下,當海蛞蝓遭受到寄生蟲入侵時,進行自割並頭身分離的情況亦會發生。603Please respect copyright.PENANAuVanGnYPSK603Please respect copyright.PENANAfNdussmFqg
603Please respect copyright.PENANAxaAfYF2Nth
鑑於這情況的發生,有理由可相信海蛞蝓進行自割是天生用來對抗外敵入侵的手段。603Please respect copyright.PENANAIZr0qkpzuX
603Please respect copyright.PENANAnjtkwWPXqH
此地不宜久留之時,若有逃生門手段可走,自然界的生物自當會不惜一切進行逃離。603Please respect copyright.PENANA9RsmYzlWz6
603Please respect copyright.PENANAM29fFNe18M
603Please respect copyright.PENANAnRUdzt1iiS
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。603Please respect copyright.PENANA41vg0J3MYa
603Please respect copyright.PENANAVZjz1o8VeV
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc603Please respect copyright.PENANAURtUyMNhTy
603Please respect copyright.PENANAB8dUocfn3Z
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。603Please respect copyright.PENANAMcb1sDizNG
603Please respect copyright.PENANAbmMEEdWujh
Link:603Please respect copyright.PENANAnXDtV0Ej16
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio603Please respect copyright.PENANA4M8dhREkWz
603Please respect copyright.PENANAJteJBQfr5z
603Please respect copyright.PENANAbpSY8JpWzC
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。603Please respect copyright.PENANAEz8sFdoaGD
603Please respect copyright.PENANA3YEnYw6Ltn
Ref1:https://www.cell.com/current-biology/fulltext/S0960-9822(21)00047-6603Please respect copyright.PENANAADALROYTbL
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科普專欄–薯不揀單
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薯仔聞茱莉

篇 #175
三十秒科學–自割
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