pigment (redirected from Natural pigment)

pigment /pig·ment/ (pig´mint)

1. any coloring matter of the body.

2. a stain or dyestuff.

3. a paintlike medicinal preparation to be applied to the skin.pig´mentary

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bile pigment  any of the coloring matters of the bile, including bilirubin, biliverdin, etc.

blood pigment , hematogenous pigment any of the pigments derived from hemoglobin.

respiratory pigments  substances, e.g., hemoglobin, myoglobin, or cytochromes, which take part in the oxidative processes of the animal body.

retinal pigments , visual pigments the photopigments in retinal rods and cones that respond to certain colors of light and initiate the process of vision.

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pig·ment (pgmnt)

n.

1. A substance used as coloring.

2. Dry coloring matter, usually an insoluble powder to be mixed with water, oil, or another base to produce paint and similar products.

3. A substance that produces a characteristic color in tissue.

4. A medicinal preparation applied to the skin like paint.

v.

To color with pigment.

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pigment

1. any coloring matter of the body.

2. a stain or dyestuff.

3. a paintlike medicinal preparation applied to the skin.

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abnutzen pigment

see lipofuscin.

bile pigment

any one of the coloring matters of the bile, derived from heme, including bilirubin, biliverdin, etc.

blood pigment

any one of the pigments derived from hemoglobin, including heme, hematoidin, etc.

pigment cells

see melanocyte.

pigment-enhancing media

formulated to promote the production of pigment by some bacteria, such as Pseudomonas aeruginosa and Rhodococcus equi, to aid in identification.

pigment genes

genes for each of the coat colors, e.g. white gene, black gene, orange gene.

respiratory p's

substances, e.g. hemoglobin, myoglobin or cytochromes, which take part in the oxidative processes of the animal body.