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。763Please respect copyright.PENANAPhxvHFFlLQ
763Please respect copyright.PENANANSgIvFTmlk
763Please respect copyright.PENANAxcIJOGHXjR
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。763Please respect copyright.PENANAtAp23RUwW9
763Please respect copyright.PENANAxrOYmMRJ7t
(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。763Please respect copyright.PENANA8ZAFSEI9eG
763Please respect copyright.PENANAUL46bEJ8DP
763Please respect copyright.PENANAbFCIYJc7Al
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。763Please respect copyright.PENANAvajya3E3WL
763Please respect copyright.PENANANi3h4kgYD4
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。763Please respect copyright.PENANABtTUy1dGX0
763Please respect copyright.PENANASFINrMUINp
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。763Please respect copyright.PENANA39c6uvf5GT
763Please respect copyright.PENANALMUSeNrhqI
(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。763Please respect copyright.PENANATyoEKCLzo4
763Please respect copyright.PENANAwW2NwmX4Pp
763Please respect copyright.PENANAchEJHYmUU7
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。763Please respect copyright.PENANAJimpUG7KPt
763Please respect copyright.PENANAznjNTqb1Nb
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。763Please respect copyright.PENANATEQAaaD3Kj
763Please respect copyright.PENANA5H7BlzY84Q
763Please respect copyright.PENANAZsNRqkCvhA
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。763Please respect copyright.PENANAx7eqAOzXtl
763Please respect copyright.PENANApa5iVFCfFv
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/toc763Please respect copyright.PENANAYa9h4St5Ps
763Please respect copyright.PENANAz9gpNxOyFq
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。763Please respect copyright.PENANAyLe0V08Sit
763Please respect copyright.PENANAVNFw7iKPkd
Link:763Please respect copyright.PENANAXqeYgksLbf
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio763Please respect copyright.PENANAOTY8ZEEwbj
763Please respect copyright.PENANAAdD45KEWl6
763Please respect copyright.PENANAc8NKDmaqMj
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。763Please respect copyright.PENANAnnTwKKSmnl
763Please respect copyright.PENANA2b25s8wAKo
Ref1:https://www.cell.com/current-biology/fulltext/S0960-9822(21)00047-6763Please respect copyright.PENANASxymLWhoOo
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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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