keratin
US /ˈkɛrətɪn/
・UK /ˈkerətɪn/
A1 初級
n. (u.)不可數名詞角質
影片字幕
指甲如何生長？| 我的指甲是怎麼長出來的？ (How do nails grow? | #aumsum)
01:22
- The nail cells grow and produce a hard protein called keratin.
指甲細胞生長併產生一種叫做角蛋白的硬蛋白。
- Then, these keratin filled cells are pushed forward as more new cells are formed behind them.
然後，這些充滿角蛋白的細胞會被推向前方，因為在它們後面會形成更多的新細胞。
肺癌 2 (Lung cancer types | Respiratory system diseases | NCLEX-RN | Khan Academy)
05:45
- Keratin is also in the cells.
角蛋白也在細胞中。
- This is a lot like the keratin you find in our hair
這很像你在我們頭髮上找到的角蛋白。
響尾蛇的尾巴里有什麼？ (What's Inside A Rattlesnake's Tail?)
03:03
- It's made of keratin,
它是由角蛋白製成的。
- The keratin is arranged in a chain of interlocking rings,
角蛋白以連鎖的方式排列，環環相扣。
小鹿亂撞！全球最帥醫生 Dr.Mike 教你健康飲食法！ (What I Actually Eat In A Day | Doctor Mike)
06:46
- Carrots are rich in vitamin A, known as beta-keratin.
紅蘿蔔富含維生素 A，又稱之為 β 角蛋白。
【動物】為什麼貓的舌頭摸起來像砂紙？又為什麼貓這麼愛梳理自己？ (Why Does Your Cat's Tongue Feel Like Sandpaper? | Deep Look)
03:47
- These spines, called papilla, are made of keratin, just like their claws and our fingernails.
這些尖刺叫做乳突，由角蛋白所構成，如同牠們的爪子和我們的指甲。
為什麼頭髮會變灰？(Why Your Hair Will Turn Gray)
02:02
- Melanocytes inject melianin into cells that contain keratin, which the protein of hair is made up of.
黑色素細胞把黑色素注入細胞，而這些細胞裝著角質素，就是製成頭髮蛋白質的角質素。
這種殺死青蛙的真菌可能會消滅整個物種。 (This Frog-Killing Fungus Could Wipe Out Entire Species)
07:12
- Chytridiomycosis is really just affects the keratin on the frog. Keratin is, you know,
枯草菌病其實只是影響青蛙的角質。角蛋白是，你知道的。
- their keratin their keratinized skin is really in that webbing between their toes and on
他們的角質，他們的角質化的皮膚 真的是在他們的腳趾之間的網狀物，並在上
為什麼最奇怪的哺乳動物也是被販賣最多的？ (Why the Strangest Mammal is Also the Most Trafficked)
05:51
- made out of keratin, that's its downfall.
由角蛋白製成，這是它的缺點。