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。357Please respect copyright.PENANA8EXklNVVDO357Please respect copyright.PENANA08KoMUbC1Z
357Please respect copyright.PENANADZhtdfn2wa
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。357Please respect copyright.PENANAmmEDJqt9Dm
357Please respect copyright.PENANAY2b3lIM5VC
(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。357Please respect copyright.PENANAPhyl19TwxY357Please respect copyright.PENANAXX3GZe6lJ3
357Please respect copyright.PENANAmWRmPMOhaU
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。357Please respect copyright.PENANAlEXc4BQLp8
357Please respect copyright.PENANAmT33MQTg96
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。357Please respect copyright.PENANAPPauwd25kL
357Please respect copyright.PENANAO2Lt6gvat2
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。357Please respect copyright.PENANANcVf2UIojG
357Please respect copyright.PENANAOHdaFKyO4P
(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。357Please respect copyright.PENANA40NXtUXemp357Please respect copyright.PENANAg2r8A1NIGv
357Please respect copyright.PENANAvBcEw9IFTQ
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。357Please respect copyright.PENANAlkzh8HEF5J
357Please respect copyright.PENANAQMlA4NfH8k
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。357Please respect copyright.PENANAx6MiNqgGPR
357Please respect copyright.PENANAXBBjHJ4Xqz
357Please respect copyright.PENANAB0ANdg6nvB
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。357Please respect copyright.PENANAQIgpo4iFwG
357Please respect copyright.PENANAW5pnPKUDnV
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/toc357Please respect copyright.PENANASkVfWqbWQb
357Please respect copyright.PENANAZWZpVo0cqF
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。357Please respect copyright.PENANATmucsCC4UA
357Please respect copyright.PENANANGmrgrgNBH
Link:357Please respect copyright.PENANAGv1ZZprDxT
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio357Please respect copyright.PENANAAAkEWFUewI
357Please respect copyright.PENANATX6R0yuxb6
357Please respect copyright.PENANAyYSxeFSDOo
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。357Please respect copyright.PENANAwgMWrtYcl1
357Please respect copyright.PENANAPyf09AanxY
Ref1:https://www.cell.com/current-biology/fulltext/S0960-9822(21)00047-6357Please respect copyright.PENANAvOiitsdlhB
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科普專欄–薯不揀單
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科普專欄–薯不揀單
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薯仔聞茱莉
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ISSUE #175
三十秒科學–自割
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