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What Causes Hair to Turn Gray?

210,871 views

Today I Found Out

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

97%
  • 8:30 / 8:41

Speech Rate:

  • 177 wpm - Fast

Category:

  • Education

Tags :

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

melanocytes

/ˈmeləˌnōsīt/

melanocytes
noun other

mature melanin-forming cell. .

process

/ˈpräˌses/

process
noun verb

Set of changes that occur slowly and naturally. To deal with official forms in the way required.

responsible

/rəˈspänsəb(ə)l/

responsible
adjective

Having the duty of dealing with something.

appears

/əˈpir/

appears
verb

To act in a play, movie, or be mentioned in media.

probably

/ˈpräbəblē/

probably
adverb

That is likely to happen or be true.

production

/prəˈdəkSH(ə)n/

production
noun

Process of making something on a large scale.

produced
produced
verb

To manufacture something using machines.

through

/THro͞o/

through
adjective adverb preposition

From one end or side of something to the other. From the beginning of something until the end. moving in one side and out of other side of.

pigment
pigment
noun verb

natural colouring matter of animal or plant tissue. colour something with or as if with pigment.

melanin

/ˈmelənən/

melanin
noun

Pigment giving color to skin, hair etc..

eumelanin
eumelanin
noun

Eumelanin makes mostly dark colors in hair, eyes, and skin..

determine

/dəˈtərmən/

determine
verb

To establish the facts about; discover.

appreciating

/əˈprēSHēˌāt/

appreciating
verb

recognize worth of.

genetic

/jəˈnedik/

genetic
adjective

relating to genes or heredity.

specific

/spəˈsifik/

specific
adjective noun

Precise; particular; just about that thing. medicine or remedy effective in treating particular disease.

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