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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 is the congenital excess of melanin in an organism resulting in dark pigment Pseudomelanism, also called abundism, is another variant of pigmentation, identifiable by dark spots or enlarged stripes, which cover a large part of the body of the animal, making it appear melanistic
  • Leucism vs Albinism vs Melanism in Humans (Explained)
    Leucism, albinism, and melanism are conditions related to pigmentation in organisms Albinism is characterized by the absence of melanin and can cause vision problems and increased sun sensitivity in humans Melanism is the presence of an abundance of melanin, but it is not observed in humans
  • Difference Between Albinism, Melanism And Leucism
    Albinism, melanism, and leucism all involve pigmentation, but each refers to a different aspect of pigment production Albinism is the complete absence of melanin, resulting in pale skin, hair, and eyes Melanism is the opposite, characterized by an excess of melanin, leading to darker pigmentation
  • 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
  • Skin Pigment Disorders - Johns Hopkins Medicine
    What are skin pigment disorders? Skin color is determined by a pigment (melanin) made by specialized cells in the skin (melanocytes) The amount and type of melanin determines a person's skin color Melanin's role is to protect DNA in body cells from sun damage It gives color to the skin, hair, and
  • Melanism in Humans: Genetic Factors and Health Perspectives
    Melanism in humans refers to an increased presence of melanin, the pigment responsible for skin, hair, and eye coloration While variations in pigmentation are common, melanism represents a more pronounced form of this trait Understanding its causes and implications provides insight into genetics, adaptation, and potential health effects
  • 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 is a particularly exciting phenomenon in terms of our understanding of evolution
  • Black Animals With Melanism: Causes, Facts, And Photos
    Melanism is a genetic mutation that causes dark pigmentation and results in unusually black animals Learn more about these rare melanistic animals!
  • Melanism | definition of melanism by Medical dictionary
    melanism a condition in which excessive production of MELANIN produces unusual dark colour or blackness in scales, skin or plumage see INDUSTRIAL MELANISM
  • What does melanism mean? - Definitions. net
    Melanism is a development of dark-colored pigment in the skin or its appendages and is the opposite of albinism Historically, it was also the medical term for black jaundice The word 'melanism' is deduced from the Greek: μελανός, meaning black pigment





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