animal pigment

Definitions of animal pigment
  1. noun
    pigment occurring in animals
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    types:
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    bilirubin, haematoidin, hematoidin
    an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice
    urobilin
    brown bile pigment formed from urobilinogens and found in feces and in small amounts in urine
    luciferin
    pigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation
    melanin
    insoluble pigments that account for the color of e.g. skin and scales and feathers
    type of:
    pigment
    dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
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