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727Please respect copyright.PENANA40RDJ12hGW
https://lih.kg/2433238727Please respect copyright.PENANAZ5yd2mdX0P727Please respect copyright.PENANAToj2IWIbu9
727Please respect copyright.PENANAiVmbwP4lg4
撇除皮膚的話,肝臟是我們身體最大的器官。727Please respect copyright.PENANA2gQMEP5mQu
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。727Please respect copyright.PENANA1tpsBDC758
727Please respect copyright.PENANAajIg8IlFT5
(圖2)肝臟細胞根據其所在位置,共可分為三個區域(Zone)。727Please respect copyright.PENANAh9uFPrZDZr727Please respect copyright.PENANAWaQbJ1q5oq
727Please respect copyright.PENANArP9dyPBA5J
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。727Please respect copyright.PENANAeU77f2ff1n
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。727Please respect copyright.PENANApjPezgvLsb
727Please respect copyright.PENANAEIIAtWQSca
(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。727Please respect copyright.PENANAOY5qv7eaqW727Please respect copyright.PENANAmApNokU1ja
727Please respect copyright.PENANAdLSxjLO89W
(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。727Please respect copyright.PENANAgB5dTWblrb
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。727Please respect copyright.PENANANkyi5lGCuu727Please respect copyright.PENANAkDs5pxEocI
727Please respect copyright.PENANAWha6EcZoz5
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。727Please respect copyright.PENANApAHCbSAEh4
727Please respect copyright.PENANAkFf1HkSXud
727Please respect copyright.PENANA2HYdO3RU62
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。727Please respect copyright.PENANAuPj6hDekGu
727Please respect copyright.PENANAplWWGoeWqu
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/toc727Please respect copyright.PENANA78fAronsBy
727Please respect copyright.PENANAXu6EmWFdX9
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。727Please respect copyright.PENANAKewFSNSpCu
727Please respect copyright.PENANAoD729lNjUM
Link:727Please respect copyright.PENANAXuWyictq8x
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio727Please respect copyright.PENANA1Jx5Byf4zJ
727Please respect copyright.PENANAOZRc7smjuo
727Please respect copyright.PENANAUR7Ce9NojY
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。727Please respect copyright.PENANAkgYVXKcCy1
727Please respect copyright.PENANApyiHDJlRjV
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387900/727Please respect copyright.PENANAnz0bsPP8eZ
Ref2:https://science.sciencemag.org/content/371/6532/eabc4346727Please respect copyright.PENANA2fR4DAj6tS
Ref3:https://pubmed.ncbi.nlm.nih.gov/18600221/727Please respect copyright.PENANAwTSXtRsEHQ
Ref4:https://www.ncbi.nlm.nih.gov/books/NBK421/727Please respect copyright.PENANAptgejeHaAB
Ref5:https://science.sciencemag.org/content/371/6532/887727Please respect copyright.PENANANz3PkUh3N1
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科普專欄–薯不揀單
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薯仔聞茱莉

篇 #172
三十秒科學–肝臟細胞共可分為三個區域
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