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622Please respect copyright.PENANAjCLJfBR4x9
https://lih.kg/2433238622Please respect copyright.PENANAHCw39pHB9h622Please respect copyright.PENANA7FJai9d3lI
622Please respect copyright.PENANAVNcz12X5rZ
撇除皮膚的話,肝臟是我們身體最大的器官。622Please respect copyright.PENANAhFSJf5OvpC
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。622Please respect copyright.PENANApJf8g10ICM
622Please respect copyright.PENANAdo0260sB5y
(圖2)肝臟細胞根據其所在位置,共可分為三個區域(Zone)。622Please respect copyright.PENANAWibOjUZEHp622Please respect copyright.PENANAr8r1clXOld
622Please respect copyright.PENANABloNpdVV0c
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。622Please respect copyright.PENANASCVlrcpWVj
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。622Please respect copyright.PENANAW3F4qwh06W
622Please respect copyright.PENANAHd17tbiJJJ
(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。622Please respect copyright.PENANAR6xUxVeV7u622Please respect copyright.PENANAqkRYNA3YR9
622Please respect copyright.PENANASwSIExniE6
(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。622Please respect copyright.PENANA1IT3t20dr4
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。622Please respect copyright.PENANAhr3DXz96YO622Please respect copyright.PENANAmVs4T9FPMI
622Please respect copyright.PENANAd4ukDYwM2V
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。622Please respect copyright.PENANAv1O6MWdVgz
622Please respect copyright.PENANAXoC9vcBgsi
622Please respect copyright.PENANA27ipKP9kSp
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。622Please respect copyright.PENANAm1h6Fqm0lm
622Please respect copyright.PENANAMThvH35Fa5
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/toc622Please respect copyright.PENANAzJeV9vAtvH
622Please respect copyright.PENANAjXsCUYMrtq
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。622Please respect copyright.PENANAjqFPek3Hiq
622Please respect copyright.PENANAS2sIF8mKpE
Link:622Please respect copyright.PENANAVwggjKJ3Ma
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio622Please respect copyright.PENANARq1Oxp8e8E
622Please respect copyright.PENANA2M1JPajLI9
622Please respect copyright.PENANArshvc6rWE5
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。622Please respect copyright.PENANAqyexlgKLBX
622Please respect copyright.PENANARSPsdHKzAV
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387900/622Please respect copyright.PENANAWFCDs4Wyp2
Ref2:https://science.sciencemag.org/content/371/6532/eabc4346622Please respect copyright.PENANAjNXZSkSa1T
Ref3:https://pubmed.ncbi.nlm.nih.gov/18600221/622Please respect copyright.PENANAUXeJ8NiFGL
Ref4:https://www.ncbi.nlm.nih.gov/books/NBK421/622Please respect copyright.PENANAYVekQei7mq
Ref5:https://science.sciencemag.org/content/371/6532/887622Please respect copyright.PENANAEG6tqSTF3e