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melanism    
n. 黑变病

黑变病

melanism
n 1: a condition characterized by abnormal deposits of melanin
(especially in the skin) [synonym: {melanosis}, {melanism}]


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  • Melanism - Wikipedia
    Melanism, meaning a mutation that results in completely dark skin, does not exist in humans In humans, the amount of melanin is determined by three dominant alleles (AABBCC), and different ethnicities have varying amounts
  • Melanistic Animals Pictures Facts, What Is Melanism In Animals?
    Melanism is a genetic mutation that occurs in many different types of animals, including mammals, reptiles and insects Among the best-known melanistic animals are the black leopards and jaguars known as panthers
  • Difference Between Albinism, Melanism And Leucism
    Albinism, melanism, and leucism are genetic conditions that affect pigmentation in animals and sometimes humans These conditions are related to melanin, the pigment responsible for the color of skin, hair, fur, feathers, and eyes
  • What Is Melanism and How Does It Affect Animals?
    Melanism is a natural phenomenon observed across various animal species, characterized by an increased development of the dark pigment melanin in the skin, hair, or feathers
  • What Is Melanism? The Genetics and Evolution - ScienceInsights
    The dark coloration characteristic of melanism originates at the cellular level within specialized cells called melanocytes These cells are responsible for synthesizing melanin, which comes in two primary forms: the black-brown eumelanin and the red-yellow phaeomelanin
  • MELANISM Definition Meaning - Merriam-Webster
    The meaning of MELANISM is an increased amount of black or nearly black pigmentation (as of skin, feathers, or hair) of an individual or kind of organism
  • Melanistic Animals - BioExpedition
    From enhanced camouflage to improved thermoregulation, melanism is an evolutionary adaptation that crops up throughout an astonishing breadth of species Melanism is mainly inherited and sometimes persists, spreading across multiple generations of species
  • Melanism: Evolution in Action | Oxford Academic
    Melanism: Evolution in Action describes investigations into a ubiquitous biological phenomenon, the existence of dark, or melanic, forms of many species of mammals, insects, and some plants
  • Melanism - bionity. com
    Melanism is an increased amount of black or nearly black pigmentation (as of skin, feathers, or hair) of an organism, resulting from the presence of melanin It is the opposite of albinism, which occurs due to lack of melanin
  • Fade to Black: Melanism in Mammals - Nature Alberta
    Melanism is a normal trait in several species, such as the striped skunk The black and white striping of skunks illustrates the high level of control over colouration that mammals are capable of





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