animal pigment

Definitions of animal pigment

1. noun

   pigment occurring in animals
   types:

   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.)