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651Please respect copyright.PENANA9sQuY2Y6yx
https://lih.kg/2433238651Please respect copyright.PENANAI9wTtMeJt4651Please respect copyright.PENANAqhZQmrL9DK
651Please respect copyright.PENANAWTw4BoFFOJ
撇除皮膚的話,肝臟是我們身體最大的器官。651Please respect copyright.PENANA15y8n0iZP9
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。651Please respect copyright.PENANAkQNqWyTTHr
651Please respect copyright.PENANAzK7nIrI6pT
(圖2)肝臟細胞根據其所在位置,共可分為三個區域(Zone)。651Please respect copyright.PENANAm4ZyDI3nS1651Please respect copyright.PENANAVsuiCeVvha
651Please respect copyright.PENANAaOTzV4LvE2
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。651Please respect copyright.PENANAgCVhVd3GQQ
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。651Please respect copyright.PENANAAnppXqAEUj
651Please respect copyright.PENANANKMFV8pNOv
(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。651Please respect copyright.PENANAnO2wLodJbw651Please respect copyright.PENANAvFUzLSG9hW
651Please respect copyright.PENANAh5iwUlerVY
(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。651Please respect copyright.PENANAcixMSHlzYX
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。651Please respect copyright.PENANAno06H6DpKy651Please respect copyright.PENANAbcXwpTt5fC
651Please respect copyright.PENANAXCTzgfA8dD
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。651Please respect copyright.PENANAjREBZ76o1i
651Please respect copyright.PENANAgGLg1sS8NZ
651Please respect copyright.PENANAKk2hzGODcb
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。651Please respect copyright.PENANA30jb9xP3CJ
651Please respect copyright.PENANAwAkhc6K0ND
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/toc651Please respect copyright.PENANAlZX23dzBw6
651Please respect copyright.PENANAuqkScCWkif
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。651Please respect copyright.PENANApzgXsibztq
651Please respect copyright.PENANABNTtD5Umnq
Link:651Please respect copyright.PENANAxwLeP9jcLE
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio651Please respect copyright.PENANAUNzMcCkdy6
651Please respect copyright.PENANA7B3HzcjzRv
651Please respect copyright.PENANAfI1N7NLOzt
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。651Please respect copyright.PENANAyScqIlqqFa
651Please respect copyright.PENANAnZ0XFO9PyW
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387900/651Please respect copyright.PENANASkFHPshAwe
Ref2:https://science.sciencemag.org/content/371/6532/eabc4346651Please respect copyright.PENANAVkK76DRF5f
Ref3:https://pubmed.ncbi.nlm.nih.gov/18600221/651Please respect copyright.PENANA5Wkp3WmiWJ
Ref4:https://www.ncbi.nlm.nih.gov/books/NBK421/651Please respect copyright.PENANARDdLs8Nb71
Ref5:https://science.sciencemag.org/content/371/6532/887651Please respect copyright.PENANAh8BKm2DEDu