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。355Please respect copyright.PENANA2oJwd1rpGn
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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。355Please respect copyright.PENANAg7ygUj5TZ2
355Please respect copyright.PENANAPVAaV8x24v
(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。355Please respect copyright.PENANAkYqqaOJDG2
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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。355Please respect copyright.PENANAPv3qUjLPk0
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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。355Please respect copyright.PENANAuKo2FkfPpl
355Please respect copyright.PENANAszprYizlPp
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。355Please respect copyright.PENANA7TDbcOwHYo
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(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。355Please respect copyright.PENANAGmFW0o62y3
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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。355Please respect copyright.PENANAWR7OpLgrl0
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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。355Please respect copyright.PENANA2jZpR0WA6j
355Please respect copyright.PENANADBs8ua8sUZ
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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。355Please respect copyright.PENANAKuzxdc28jY
355Please respect copyright.PENANA1RBq2xb0I0
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/toc355Please respect copyright.PENANAKC6N5ErgOX
355Please respect copyright.PENANACAGs4g0ylX
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。355Please respect copyright.PENANAywNc3oySz0
355Please respect copyright.PENANAZJQwxUcNKf
Link:355Please respect copyright.PENANAwjZBJqiHcO
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio355Please respect copyright.PENANA8ORXHRMExG
355Please respect copyright.PENANAYR7AfQPklo
355Please respect copyright.PENANAjGBvmcoo5R
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。355Please respect copyright.PENANAlxRpEWcQ4d
355Please respect copyright.PENANATe9v8Mom1P
Ref1:https://www.cell.com/current-biology/fulltext/S0960-9822(21)00047-6355Please respect copyright.PENANAt7UZ4nk7Cw
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科普專欄–薯不揀單
作者:
薯仔聞茱莉
篇 #175
三十秒科學–自割
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