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bile pigment derived from the destruction of hemoglobin in the liver.
pigment(pig'ment) [L. pigmentum, paint]
Any organic coloring matter in the body. See: albino; carotene; carotenoid; words beginning with chrom-
Any of the complex, highly colored waste products of the hemoglobin of old red blood cells, found in the bile. Included are bilirubin (orange), biliverdin (green), their derivatives (urobilinogen, urobilin, bilicyanin, and bilifuscin), and stercobilin, which gives brown color to intestinal contents and feces. Van den Bergh's test is used to detect the type of bilirubin in the blood serum.Synonym: hepatogenous pigment
A pigment in blood (hemoglobin) or a derivative of it (hematin, hemin, methemoglobin, hemosiderin).
A pigment produced within the human body, as melanin.
A pigment produced outside the human body.
A pigment from hemoglobin of the erythrocytes.
hepatogenous pigmentBile pigment.
Any pigment such as hemoglobin, myoglobin, or cytochrome that has a part in the metabolism of oxygen within the body.
Melanin, melanoid, and carotene.
Urochrome and sometimes urobilin.
Melanin in the choroid layer of the eye, the ciliary processes, and the posterior surface of the iris. Uveal pigment absorbs light within the eyeball to prevent glare.
A light-absorbing compound in the photoreceptor cells of the retina that converts light energy into a nerve impulse that is passed from the receptor cells to the optic nerve.