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。497Please respect copyright.PENANA8kbGoprcWo
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。497Please respect copyright.PENANAKV8obcPjry497Please respect copyright.PENANACVPYcxIGcY
497Please respect copyright.PENANAyws4gGyG0r
497Please respect copyright.PENANAkirDiJuruQ
(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。497Please respect copyright.PENANAV9aeTzttNN497Please respect copyright.PENANAQXKjGcAiQv
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。497Please respect copyright.PENANAqEcSLuhZxG
497Please respect copyright.PENANAh74i5np0ir
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。497Please respect copyright.PENANAKZktAYrcq8
497Please respect copyright.PENANAarGSPFbksj
497Please respect copyright.PENANAOKCDG0moLt
(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。497Please respect copyright.PENANAbmZd2YjAhu497Please respect copyright.PENANAV54jZ7gvNo
497Please respect copyright.PENANATFNP7fdBnz
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。497Please respect copyright.PENANA1WnVSV0cT8
497Please respect copyright.PENANAZ5yJzOMxHV
虹膜越多黑色素的話,瞳色便會越漸啡黑。497Please respect copyright.PENANAFTUj7ueLDr
497Please respect copyright.PENANAA9wKE9Cgp5
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。497Please respect copyright.PENANAkIUruqhTLI
497Please respect copyright.PENANAY4mVyLNIDI
延伸閱讀:497Please respect copyright.PENANAwazwBLWS2l
深入淺出–以中性pH7的方式染髮497Please respect copyright.PENANAIIegeABRLR
- 分享自 LIHKG 討論區497Please respect copyright.PENANAL9JmyXCcTF
https://lih.kg/2268429497Please respect copyright.PENANAESytU7iAw6
497Please respect copyright.PENANAj4SzyQQjy2
497Please respect copyright.PENANA3vsZtfyuJA
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。497Please respect copyright.PENANAfrC8YIIUSZ
497Please respect copyright.PENANA2QKFhkN2sC
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/toc497Please respect copyright.PENANA3OJIB7w8LO
497Please respect copyright.PENANAcgHB7JcMWx
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。497Please respect copyright.PENANA6FhLfOkaeN
497Please respect copyright.PENANAOceDkgRyCK
Link:497Please respect copyright.PENANACoV0tETgRO
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio497Please respect copyright.PENANANcfGUuW5dk
497Please respect copyright.PENANAxdBoMRRDsE
497Please respect copyright.PENANAt2PFDNQFJq
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。497Please respect copyright.PENANA5MnaECHye7
497Please respect copyright.PENANA99zHpy1zga
Ref1:https://www.sciencedirect.com/science/article/pii/S0168952504001593?via%3Dihub#TBX1
497Please respect copyright.PENANACFIns78BZm