膚色、髮色及瞳孔顏色均是由黑素細胞(Melanocyte)所產生的黑色素(Melanin)而定。306Please respect copyright.PENANAPLAAltPDjQ
然而,負責膚色髮色與負責瞳孔顏色的黑素細胞卻有著一道顯著不同的分別。306Please respect copyright.PENANALSeLG8zid8
306Please respect copyright.PENANAw2FyMN6qP2
306Please respect copyright.PENANAzvRlLgOlh6
306Please respect copyright.PENANAi7laZqDQEU
(圖2)黑素細胞所產生的黑色素,會儲存在名為黑色粒子的細胞器官裡頭。306Please respect copyright.PENANADKmh5K4HOg
306Please respect copyright.PENANAfl1q4PiSIs
位於皮膚下的黑素細胞,會釋出黑色粒子到髮囊及皮膚細胞,賦予皮髮顏色。306Please respect copyright.PENANA9FYL5FCsMq
306Please respect copyright.PENANApFjW1T8gK3
而位於虹膜(Iris)的黑素細胞,則不會釋出黑色粒子到細胞外部,而是把它儲存在細胞內。306Please respect copyright.PENANARxejmiIR5u
306Please respect copyright.PENANA0DImaDYs1j
306Please respect copyright.PENANAZJQoZE72cp
(圖3)當光線進入眼睛的虹膜,內部蛋白質所折射及吸收的波長便會呈現出瞳孔的顏色。306Please respect copyright.PENANAuz6vaS1lZe
306Please respect copyright.PENANAHJujCkyRnX
306Please respect copyright.PENANA79Hx70Caxy
瞳孔之所以呈藍色,並不是有著藍色素的物質,而是純粹因為虹膜內的黑色素稀少,最終折射出藍色波長的光線。306Please respect copyright.PENANABmJcYTdELr
306Please respect copyright.PENANAqaAbSwCo05
虹膜越多黑色素的話,瞳色便會越漸啡黑。306Please respect copyright.PENANAArgK42gcPX
306Please respect copyright.PENANAWeC44TRMxC
而患有白化病(Albino)的人士,基於缺乏黑色素,光線折射出眼睛內血管的顏色,因而呈粉紅色狀。306Please respect copyright.PENANAE6UHs4CIg1
306Please respect copyright.PENANAcr2ycpj7BV
延伸閱讀:306Please respect copyright.PENANA6f1gBwoeb8
深入淺出–以中性pH7的方式染髮306Please respect copyright.PENANAVSxVhUCKIb
- 分享自 LIHKG 討論區306Please respect copyright.PENANAs7uNGdXWca
https://lih.kg/2268429306Please respect copyright.PENANA5Ji3q1Atc3
306Please respect copyright.PENANAeHQ0yyK8ov
306Please respect copyright.PENANAMc7pZDpPeB
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。306Please respect copyright.PENANA6vtqe3ivYK
306Please respect copyright.PENANAeHkSMRNIHn
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/toc306Please respect copyright.PENANAODKFoMhGvo
306Please respect copyright.PENANAU2v8q6oNya
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。306Please respect copyright.PENANAmKnFDlV55n
306Please respect copyright.PENANA9uD3wcbilZ
Link:306Please respect copyright.PENANAUC4Drt6BI2
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio306Please respect copyright.PENANAse95QMNhaw
306Please respect copyright.PENANARVAU5urGAL
306Please respect copyright.PENANAZpESM4nQ5X
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。306Please respect copyright.PENANAXCmNLh1GFA
306Please respect copyright.PENANAVNhMD4T2Ps
Ref1:https://www.sciencedirect.com/science/article/pii/S0168952504001593?via%3Dihub#TBX1
306Please respect copyright.PENANASDALR3u0Cx