Share this entry

Share this page

melanin

Saltos de línea: mel|anin
Pronunciación: /ˈmɛlənɪn
 
/

Definición de melanin en inglés:

sustantivo

[mass noun]
A dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.
Example sentences
  • The body normally converts the amino acid tyrosine into the pigment melanin.
  • One theory focuses on the fact that people with red hair have a different type of melanin (a skin pigment) than people with dark hair.
  • The melanosomes convert tyrosine to melanin, giving skin its color.

Origen

mid 19th century: from Greek melas, melan- 'black' + -in1.

Definición de melanin en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día prepotent
Pronunciación: prɪˈpəʊt(ə)nt
adjective
greater than others in power or influence