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。547Please respect copyright.PENANAbC0HP7VU9Z
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。547Please respect copyright.PENANAN00hKvMDzK547Please respect copyright.PENANAy2O31yCHOo
547Please respect copyright.PENANAmn3V096Rfm
547Please respect copyright.PENANAXQEornKx5v
(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。547Please respect copyright.PENANASdglR3NPd5547Please respect copyright.PENANAnbswbt3cub
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。547Please respect copyright.PENANAipANg38WNc
547Please respect copyright.PENANAnvguf7NjNY
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。547Please respect copyright.PENANAmNbFClSAKq
547Please respect copyright.PENANAJaK9ueKWHe
547Please respect copyright.PENANATTq669sqQm
(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。547Please respect copyright.PENANAccZsJmdSnc547Please respect copyright.PENANAnXEiGt3yfy
547Please respect copyright.PENANAka6s2JGf9k
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。547Please respect copyright.PENANAd3ztadoupF
547Please respect copyright.PENANAd6osUEaQI7
虹膜越多黑色素的話,瞳色便會越漸啡黑。547Please respect copyright.PENANACebBfwyg4j
547Please respect copyright.PENANAbAxVrxWhlK
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。547Please respect copyright.PENANABAEgeKfIrm
547Please respect copyright.PENANAk73dkzU5NR
延伸閱讀:547Please respect copyright.PENANAbVkcd1KyM1
深入淺出–以中性pH7的方式染髮547Please respect copyright.PENANAMrXg8ZDNqW
- 分享自 LIHKG 討論區547Please respect copyright.PENANAlC8GOBF9KQ
https://lih.kg/2268429547Please respect copyright.PENANA61FR6ImOxG
547Please respect copyright.PENANAEYje4eHgzR
547Please respect copyright.PENANA4fgZ7agGzb
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。547Please respect copyright.PENANAn3LDELggLI
547Please respect copyright.PENANAthm9wxeYRu
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/toc547Please respect copyright.PENANAbGzDHimDVM
547Please respect copyright.PENANAcw1sOzXVsR
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。547Please respect copyright.PENANA0M6F1KS3Xs
547Please respect copyright.PENANAx3UPLNykg2
Link:547Please respect copyright.PENANAfSfsfkEG5V
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio547Please respect copyright.PENANASRaIXubdmJ
547Please respect copyright.PENANAbnALgfmF9V
547Please respect copyright.PENANAx35ADqJrGY
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。547Please respect copyright.PENANAizsQIbV4tl
547Please respect copyright.PENANAmg7ZW0dyz1
Ref1:https://www.sciencedirect.com/science/article/pii/S0168952504001593?via%3Dihub#TBX1
547Please respect copyright.PENANAQmF1vKWYhn