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616Please respect copyright.PENANAoOMTv7RjCL
https://lih.kg/2433238616Please respect copyright.PENANA0d9q6N0Q8m616Please respect copyright.PENANAvgFRhN6SHk
616Please respect copyright.PENANAmL3FMlJ1cL
撇除皮膚的話,肝臟是我們身體最大的器官。616Please respect copyright.PENANAiRVwuYTk1q
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。616Please respect copyright.PENANA7ABL33ZhnT
616Please respect copyright.PENANAg6HEucUlW0
(圖2)肝臟細胞根據其所在位置,共可分為三個區域(Zone)。616Please respect copyright.PENANAeZ49zFYbwq616Please respect copyright.PENANApHKxHfwAqn
616Please respect copyright.PENANAf69JxDf1Vb
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。616Please respect copyright.PENANAlFfWmCN0eX
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。616Please respect copyright.PENANAaeZ2j4czbb
616Please respect copyright.PENANACwxGr0OioF
(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。616Please respect copyright.PENANADgC5FrepIm616Please respect copyright.PENANAa6oddbcIrG
616Please respect copyright.PENANAk7wcUGlDp1
(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。616Please respect copyright.PENANA8PsvrCN4iv
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。616Please respect copyright.PENANA25yCuQafoy616Please respect copyright.PENANAsL1jP8vy9y
616Please respect copyright.PENANANkvaqCkVrz
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。616Please respect copyright.PENANAfrqN8axFLt
616Please respect copyright.PENANAeGggme4sTE
616Please respect copyright.PENANAMqU9rAGVha
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。616Please respect copyright.PENANAAE8BJVbtF6
616Please respect copyright.PENANAZq2vkNyn30
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/toc616Please respect copyright.PENANA0TtUuClkzR
616Please respect copyright.PENANAb79et7Hl5a
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。616Please respect copyright.PENANAKwC3dl4FkE
616Please respect copyright.PENANAd0XZHkB3KD
Link:616Please respect copyright.PENANAlKvqTWzC02
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio616Please respect copyright.PENANAiBkIN1HjFe
616Please respect copyright.PENANAQ6xhcPdJtT
616Please respect copyright.PENANAsVtIDRvsxa
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。616Please respect copyright.PENANAyyslFtmMDu
616Please respect copyright.PENANAnYMfSGBLu1
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387900/616Please respect copyright.PENANAEWLKpdgGeh
Ref2:https://science.sciencemag.org/content/371/6532/eabc4346616Please respect copyright.PENANAope2SkjCne
Ref3:https://pubmed.ncbi.nlm.nih.gov/18600221/616Please respect copyright.PENANAOld22k9aaY
Ref4:https://www.ncbi.nlm.nih.gov/books/NBK421/616Please respect copyright.PENANAeaZPwuO9Vm
Ref5:https://science.sciencemag.org/content/371/6532/887616Please respect copyright.PENANAXTIBAZhgWG
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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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