科普專欄–薯不揀單 - 三十秒科學–藍眼睛

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。466Please respect copyright.ＰＥＮＡＮＡYWEUaqy2ix
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。466Please respect copyright.ＰＥＮＡＮＡR9jGs9nmSn
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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。466Please respect copyright.ＰＥＮＡＮＡlvzIBqLgil
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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。466Please respect copyright.ＰＥＮＡＮＡvt1IhKgDLL
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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。466Please respect copyright.ＰＥＮＡＮＡzH7soQbsdZ
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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。466Please respect copyright.ＰＥＮＡＮＡwR6fPH3uKD
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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。466Please respect copyright.ＰＥＮＡＮＡz3M31TJLZF
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虹膜越多黑色素的話，瞳色便會越漸啡黑。466Please respect copyright.ＰＥＮＡＮＡgHFSPKMnUs
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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。466Please respect copyright.ＰＥＮＡＮＡwKcZuqOVqA
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延伸閱讀:466Please respect copyright.ＰＥＮＡＮＡyjjvNc8w5H
深入淺出–以中性pH7的方式染髮466Please respect copyright.ＰＥＮＡＮＡP7o6P1t2p5
- 分享自 LIHKG 討論區466Please respect copyright.ＰＥＮＡＮＡEMSTMXZsRT
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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。466Please respect copyright.ＰＥＮＡＮＡbUZcWmgoOV
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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/toc466Please respect copyright.ＰＥＮＡＮＡ5G6EvvZ5kp
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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。466Please respect copyright.ＰＥＮＡＮＡI3GkSkHKF5
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio466Please respect copyright.ＰＥＮＡＮＡHYvGvK7e62
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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。466Please respect copyright.ＰＥＮＡＮＡhzCnCH0XJG
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Ref1:https://www.sciencedirect.com/science/article/pii/S0168952504001593?via%3Dihub#TBX1

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