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。461Please respect copyright.ＰＥＮＡＮＡgfs6OifMtK
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。461Please respect copyright.ＰＥＮＡＮＡrqeC6p0YcZ
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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。461Please respect copyright.ＰＥＮＡＮＡYyzEDtJM9O
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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。461Please respect copyright.ＰＥＮＡＮＡvPWoAn63He
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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。461Please respect copyright.ＰＥＮＡＮＡKKUWWVecIv
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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。461Please respect copyright.ＰＥＮＡＮＡ9fRld9XcdP
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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。461Please respect copyright.ＰＥＮＡＮＡFIeLrqpmic
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虹膜越多黑色素的話，瞳色便會越漸啡黑。461Please respect copyright.ＰＥＮＡＮＡ06j82Hrqrb
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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。461Please respect copyright.ＰＥＮＡＮＡhiGFLRApLj
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延伸閱讀:461Please respect copyright.ＰＥＮＡＮＡCLiYe9lApt
深入淺出–以中性pH7的方式染髮461Please respect copyright.ＰＥＮＡＮＡvKyVPGD1O4
- 分享自 LIHKG 討論區461Please respect copyright.ＰＥＮＡＮＡnWkxcb6Efi
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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。461Please respect copyright.ＰＥＮＡＮＡOwdpAauTDR
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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/toc461Please respect copyright.ＰＥＮＡＮＡ0uYrYo1v4W
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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。461Please respect copyright.ＰＥＮＡＮＡvIFC9QALgq
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Link:461Please respect copyright.ＰＥＮＡＮＡVNHZhYz6bu
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio461Please respect copyright.ＰＥＮＡＮＡ3qIwNMZnRF
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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。461Please respect copyright.ＰＥＮＡＮＡQq4bMPOdSI
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Ref1:https://www.sciencedirect.com/science/article/pii/S0168952504001593?via%3Dihub#TBX1
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