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melanin
US /ˈmɛlənɪn/
・UK /ˈmelənɪn/
C2 高級
n. (u.)不可數名詞黑色素；黑蛋白
Different types of melanin correspond to different skin tones in humans
影片字幕
如果我們吞下一根頭髮怎麼辦？| 胃裡的頭髮 | Binocs 博士秀 | Peekaboo Kidz (What If We Swallowed A Hair? | Hairs In Our Stomach | The Dr Binocs Show | Peekaboo Kidz)
- Also, the color of hair depends on how much melanin each strand has.
此外，頭髮的顏色取決於每根髮絲的黑色素含量。
尋找最黑的黑 (The Hunt for the Blackest Black)
- Humans used other pigments in art, such as squid ink, and that mostly gets its color from complex molecules called melanin.
人類在藝術中還使用了其他顏料，例如烏賊墨水，其顏色主要來自於稱為黑色素的複雜分子。
- And the exact technique varies from creature to creature, but generally their ultra black appearances are thanks to a mixture of melanin pigments and micro-scale structures.
具體的技術因生物而異，但一般來說，它們的超黑色外觀是由黑色素和微尺度結構混合而成的。
你可能不知道自己擁有的 16 種超能力 (16 Superpowers You Didn't Know You Had)
- It is explained by melanin which is responsible for the eye colour. The more melanin the cornea has the darker the eyes are
這是因為黑色素的關係，它負責眼睛的顏色。角膜越多黑色素，眼睛顏色就越深
好痛！為什麼皮膚會曬傷？ (What Really Causes Sunburns?)
- When UV radiation hits your skin, pigments called melanin absorb it, and shield your DNA from harm.
當 UV 光照到肌膚時，黑色素會將其吸收，保護 DNA 不受其害。
- Now, melanin is present in our skin cells all the time—it’s what gives your skin its particular color.
黑色素一直都存在於皮膚細胞中 — 它就是讓我們有特定膚色的原因。
眼睛顏色 - 為什麼我們的眼睛顏色不同？ (EYE COLOR - Why do we have different color eyes?)
- And reduces the melanin production in the colored part of the eye, called the iris.
並減少眼睛有色部分（即虹膜）的黑色素生成。
- Melanin is a pigment, and the amount of it in our eyes is what gives them their color.
黑色素是一種色素，眼睛中黑色素的含量決定了眼睛的顏色。
紅髮人即將絕種？不為人知的紅頭髮秘辛 (The Truth About Gingers)
- They get their coppery hue the same way we all get our coloration: from melanin.
他們像銅一般的髮色就跟我們有不同的髮色是一樣的原因：黑色素。
- This gene gives instructions for making protein receptors located on our melanocytes, the special cells that produce melanin.
這個基因負責製造蛋白質的受體指示給專門製造黑色素的黑色素細胞。
只有 5% 的貓是白色的？一起發現它們隱藏的 4 個祕密吧！(Only 5% of Cats Are White?! Discover Their 4 Hidden Secrets)
- That's because the dominant W gene blocks the melanin cells.
這是因為顯性 W 基因阻斷了黑色素細胞。
- This keeps the melanin cells from getting to an eye, causing them to be odd-eyed.
這使得黑色素細胞無法進入眼球，從而導致他們成為怪眼。
視力的好壞與眼球虹膜的顏色有關？ (Do Brown Eyes See Better?)
- People with brown eyes have dark irises because their DNA codes for genes that lead to the production of more melanin,
有棕色眼睛的人有較深色的虹膜，因為他們的 DNA 有產生較多 melanin 的基因片段
- While people with lighter eyes produce less melanin, so more light gets into their eyes
然而對於有較淺色眼睛的人產生較少的棕黑色素，所有會有較多光能進入眼睛