上集link: 三十秒科學–被切除90%還有能力回復正常形狀及功能的器官664Please respect copyright.ＰＥＮＡＮＡPzNzo5m8nz
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撇除皮膚的話，肝臟是我們身體最大的器官。664Please respect copyright.ＰＥＮＡＮＡ0Xlcx35EsA
除再生能力強大之外，肝臟的另外一個特點就是會與我們的體型成正比關係。664Please respect copyright.ＰＥＮＡＮＡRleVh4SXhY
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（圖2）肝臟細胞根據其所在位置，共可分為三個區域(Zone)。664Please respect copyright.ＰＥＮＡＮＡA88Oe0ujW2
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三個區域的肝臟細胞在新陳代謝及基因表達上均有顯著的分別。664Please respect copyright.ＰＥＮＡＮＡjq4cBztwCQ
譬如說Zone1細胞所獲得的氧氣量比Zone3的為高，Zone1細胞製糖的能力比Zone3的為強。664Please respect copyright.ＰＥＮＡＮＡhYH5aCwKKF
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（圖3）在正常情況下，Zone1的肝臟細胞會一直在減少，並由Zone2的細胞繁殖補回所失去的數量，而Zone3的細胞數量則相對上不會有太大變化。664Please respect copyright.ＰＥＮＡＮＡXyooL1geWO
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（圖4）當Zone3區域細胞受損的話，Zone1及2區域細胞便會一起繁殖，填補所失去的細胞。664Please respect copyright.ＰＥＮＡＮＡGuHXbG6Aru
反之，當Zone1區域細胞受損的話，Zone2及3區域細胞便會一起繁殖，對其作出填補。664Please respect copyright.ＰＥＮＡＮＡeX3E6H1VcY
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若果Zone1、2、3細胞一起受損的話，根據老鼠實驗指出(Ref2)，開頭時份將會由Zone1的細胞主導繁殖，數量到達一定程度後，Zone2區域的細胞便會出手幫忙，而Zone3區域細胞在整個回復的過程中所參與的比例則全程偏低。664Please respect copyright.ＰＥＮＡＮＡYs9aQJXvcB
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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。664Please respect copyright.ＰＥＮＡＮＡq84w92bk2K
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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/toc664Please respect copyright.ＰＥＮＡＮＡ1RkignOP4J
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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。664Please respect copyright.ＰＥＮＡＮＡqMNSp4dEjw
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Link:664Please respect copyright.ＰＥＮＡＮＡ10DjnsREY8
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio664Please respect copyright.ＰＥＮＡＮＡ9aLcJeGkIC
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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。664Please respect copyright.ＰＥＮＡＮＡMyvGkDIzSz
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Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387900/664Please respect copyright.ＰＥＮＡＮＡNRfaWkQ5vI
Ref2:https://science.sciencemag.org/content/371/6532/eabc4346664Please respect copyright.ＰＥＮＡＮＡKGwBARBcbv
Ref3:https://pubmed.ncbi.nlm.nih.gov/18600221/664Please respect copyright.ＰＥＮＡＮＡHTcevXdf1C
Ref4:https://www.ncbi.nlm.nih.gov/books/NBK421/664Please respect copyright.ＰＥＮＡＮＡvtfOqcuuy5
Ref5:https://science.sciencemag.org/content/371/6532/887664Please respect copyright.ＰＥＮＡＮＡMxJyoHLzNi
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