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719Please respect copyright.PENANAoD8BVsHiGK
https://lih.kg/2433238719Please respect copyright.PENANAbaMBkgC9PD719Please respect copyright.PENANAAnPqaBDxnf
719Please respect copyright.PENANAs4c15NyAFn
撇除皮膚的話,肝臟是我們身體最大的器官。719Please respect copyright.PENANAFsMDkFmXOp
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。719Please respect copyright.PENANAenQWPOI0OW
719Please respect copyright.PENANAyzuVNDLGsu
(圖2)肝臟細胞根據其所在位置,共可分為三個區域(Zone)。719Please respect copyright.PENANAahQkTFD9K6719Please respect copyright.PENANAuXZRJHqSMY
719Please respect copyright.PENANAOMF9BnXyn7
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。719Please respect copyright.PENANAgVh3No3xFl
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。719Please respect copyright.PENANADozzC0HjuZ
719Please respect copyright.PENANA5ChOQvlbDa
(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。719Please respect copyright.PENANArwedHUsmEu719Please respect copyright.PENANAPZhqYJXWuH
719Please respect copyright.PENANAkWvhzqKeZM
(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。719Please respect copyright.PENANAfO3Kkmi11F
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。719Please respect copyright.PENANAKHeoXwjfIJ719Please respect copyright.PENANAAfYUrLhAap
719Please respect copyright.PENANAjlP3Mbaygm
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。719Please respect copyright.PENANAQ0W2m91jVZ
719Please respect copyright.PENANA9LCMZb8YRk
719Please respect copyright.PENANANxzT09F2yX
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。719Please respect copyright.PENANAdKFEhjkHPe
719Please respect copyright.PENANACtQK6PdCDy
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/toc719Please respect copyright.PENANAo36fiH8xts
719Please respect copyright.PENANA5M1btKHd8d
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。719Please respect copyright.PENANA6wYT0tiatA
719Please respect copyright.PENANAewcUoXLYi8
Link:719Please respect copyright.PENANAKHsClLJlcx
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio719Please respect copyright.PENANA8aZSvwUWAk
719Please respect copyright.PENANAFr0Hr7zX4s
719Please respect copyright.PENANAAS8tSdXydz
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。719Please respect copyright.PENANAQhTT6SRkDz
719Please respect copyright.PENANArT1HdFMjBD
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387900/719Please respect copyright.PENANAnZXhn0PFYy
Ref2:https://science.sciencemag.org/content/371/6532/eabc4346719Please respect copyright.PENANA7PvSLdhPEk
Ref3:https://pubmed.ncbi.nlm.nih.gov/18600221/719Please respect copyright.PENANAkoBsMnFg45
Ref4:https://www.ncbi.nlm.nih.gov/books/NBK421/719Please respect copyright.PENANAm2YZEZ6GpC
Ref5:https://science.sciencemag.org/content/371/6532/887719Please respect copyright.PENANAYdipjXdVth