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。746Please respect copyright.PENANApCcMqtfWeq
746Please respect copyright.PENANA5nqTWzKC8x
746Please respect copyright.PENANA0tL1DHfQBV
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。746Please respect copyright.PENANAv1t9mbYCjt
746Please respect copyright.PENANAMwI5j564jU
(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。746Please respect copyright.PENANAIEWmv6V0I6
746Please respect copyright.PENANAK1uAAcFvBe
746Please respect copyright.PENANANFx8SUHQME
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。746Please respect copyright.PENANArAgowFu6XY
746Please respect copyright.PENANAdJ87Ps7dNA
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。746Please respect copyright.PENANAEX0QjWBWh7
746Please respect copyright.PENANAEXUZyXEc2B
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。746Please respect copyright.PENANAs87XYEldPM
746Please respect copyright.PENANApwIWi5WVGJ
(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。746Please respect copyright.PENANACPQ7sQ53bR
746Please respect copyright.PENANARFfCsNmUui
746Please respect copyright.PENANAPyFehzRIqT
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。746Please respect copyright.PENANADRm5gH61gv
746Please respect copyright.PENANAq774ZZK64r
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。746Please respect copyright.PENANAnqtzAVhJl9
746Please respect copyright.PENANAAMRlZrXQg0
746Please respect copyright.PENANASei0d5MWxQ
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。746Please respect copyright.PENANA0BLo8JPvMT
746Please respect copyright.PENANA48wjq89HPn
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/toc746Please respect copyright.PENANAAhewlhlQTK
746Please respect copyright.PENANAQVNQCA50JT
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。746Please respect copyright.PENANAeQCVpkxpxm
746Please respect copyright.PENANACiqkT65QJq
Link:746Please respect copyright.PENANApzAzjJkYZw
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio746Please respect copyright.PENANAoHjNq6GCcI
746Please respect copyright.PENANAUnxvaMQL62
746Please respect copyright.PENANAL1305Rd0p9
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。746Please respect copyright.PENANAEgCtpMXnhr
746Please respect copyright.PENANAu2z0jE38P7
Ref1:https://www.cell.com/current-biology/fulltext/S0960-9822(21)00047-6746Please respect copyright.PENANAoKt3XXiERS
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #175
三十秒科學–自割
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