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。340Please respect copyright.PENANAjRPJ2OiYuk
340Please respect copyright.PENANAlJwlSyd21L
340Please respect copyright.PENANA5olOUjtmj5
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。340Please respect copyright.PENANAVG4Ld0zLzP
340Please respect copyright.PENANAiJsZet7Fgd
(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。340Please respect copyright.PENANAEppO7HybbB
340Please respect copyright.PENANAgbSwc61POt
340Please respect copyright.PENANAz3PXZaFumd
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。340Please respect copyright.PENANAaqlcDRfHo6
340Please respect copyright.PENANA5FSdDSYNXe
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。340Please respect copyright.PENANAYPtnidFWWU
340Please respect copyright.PENANADVxNptL4yY
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。340Please respect copyright.PENANAPlg63Vpnep
340Please respect copyright.PENANAthLBvzoR10
(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。340Please respect copyright.PENANAFgI8ld69VB
340Please respect copyright.PENANAcJtjF7wFGn
340Please respect copyright.PENANAcvsqgrJQQa
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。340Please respect copyright.PENANAQ3oWa2A3h9
340Please respect copyright.PENANAVXGzAr17Km
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。340Please respect copyright.PENANAaMBwZWXW98
340Please respect copyright.PENANAUSXRo6GAqi
340Please respect copyright.PENANARTUKrv6Uc2
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。340Please respect copyright.PENANAPni69sl8o1
340Please respect copyright.PENANARzkY0CHj3N
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/toc340Please respect copyright.PENANAK2Oc3Fs8sY
340Please respect copyright.PENANAwcAyCbtmpj
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。340Please respect copyright.PENANAxLDcjpNyBF
340Please respect copyright.PENANAcMkpytdX34
Link:340Please respect copyright.PENANApqYJek5US7
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio340Please respect copyright.PENANAJoKe7XpA1m
340Please respect copyright.PENANAWFQfyPZWPC
340Please respect copyright.PENANAgwmh2GWtds
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。340Please respect copyright.PENANAieBINyylEz
340Please respect copyright.PENANAS9cl7OSii0
Ref1:https://www.cell.com/current-biology/fulltext/S0960-9822(21)00047-6340Please respect copyright.PENANABnLjXyAw53
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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
LIKES 1
READS 336
BOOKMARKS 148
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