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melanism

Saltos de línea: mel¦an|ism
Pronunciación: /ˈmɛlənɪz(ə)m
 
/

Definición de melanism en inglés:

sustantivo

[mass noun] chiefly Zoology
Darkening of body tissues caused by excessive production of melanin, especially as a form of colour variation in animals.
Example sentences
  • Adaptations to short, cool summers include activity at low temperatures, selection of warm habitats and microhabitats, melanism and hairiness coupled with basking behaviour, and prolonged or abbreviated life cycles.
  • However, melanism and amelanism are known to occur in many species of natricine snakes.
  • That pattern of morphological convergence includes larger bills, reduced rust coloration in plumage, and increased melanism or dark coloration.

Derivados

melanic

1
Pronunciación: /mɪˈlanɪk/
adjetivo
Example sentences
  • There may still be very good mechanistic reasons why melanic plumage color reveals individual quality in European barn swallows, but they should have nothing to do with carotenoid signaling.
  • We suggest that, in addition to its other functions, an important selective advantage of melanic plumage is its resistance to degradation by bacteria that are part of every bird's environment.
  • The majority of studies on melanin ornaments cited in Table 1 measured only the size of discrete patches of melanic feathers.

Definición de melanism en:

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Palabra del día tenebrous
Pronunciación: ˈtɛnɪbrəs
adjective
dark; shadowy or obscure