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。451Please respect copyright.ＰＥＮＡＮＡzbkXwowL35
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。451Please respect copyright.ＰＥＮＡＮＡaVWO12bZnr
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（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。451Please respect copyright.ＰＥＮＡＮＡI5TS2Hk160
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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。451Please respect copyright.ＰＥＮＡＮＡH2moeJ2z9B
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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。451Please respect copyright.ＰＥＮＡＮＡgAJpYqafhl
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（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。451Please respect copyright.ＰＥＮＡＮＡjJNiTVL0z9
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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。451Please respect copyright.ＰＥＮＡＮＡpvQdMmqbw6
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虹膜越多黑色素的話，瞳色便會越漸啡黑。451Please respect copyright.ＰＥＮＡＮＡApopbwnigY
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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。451Please respect copyright.ＰＥＮＡＮＡ8QdFPafymN
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延伸閱讀:451Please respect copyright.ＰＥＮＡＮＡCrNZDRd5o2
深入淺出–以中性pH7的方式染髮451Please respect copyright.ＰＥＮＡＮＡg4ZBKtrGuo
- 分享自 LIHKG 討論區451Please respect copyright.ＰＥＮＡＮＡkkp0NKwwjH
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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。451Please respect copyright.ＰＥＮＡＮＡkXhc8UYr2I
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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/toc451Please respect copyright.ＰＥＮＡＮＡU48MOskKwX
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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。451Please respect copyright.ＰＥＮＡＮＡwmoAe5YMdh
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Link:451Please respect copyright.ＰＥＮＡＮＡBIjC6NNR5I
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio451Please respect copyright.ＰＥＮＡＮＡuCSIsomqlI
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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。451Please respect copyright.ＰＥＮＡＮＡRM4UPznS5R
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Ref1:https://www.sciencedirect.com/science/article/pii/S0168952504001593?via%3Dihub#TBX1
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