The appearance of the skin is partly due to the reddish pigment in the blood of the superficial vessels. In the main, however, it is determined by melanin, a pigment manufactured by …

Britannica Dictionary definition of PIGMENTATION [noncount] : the natural coloring of people, animals, or plants dark skin pigmentation

PIGMENT meaning: 1 : a natural substance that gives color to animals and plants; 2 : a substance that gives color to something else

In particular the pigment cells found in the dermis of fishes, amphibians, and reptiles are of neural-crest origin. The pigment in the skin of birds and mammals (and also in hairs and feathers) is …

Pigment, any of a group of compounds that are intensely coloured and are used to colour other materials. Pigments are insoluble and are applied not as solutions but as finely ground solid …

Coloration is a dynamic and complex characteristic and must be clearly distinguished from the concept of “colour,” which refers only to the spectral qualities of emitted or reflected light. How …

Dec 1, 2025 · Color, the aspect of any object that may be described in terms of hue, lightness, and saturation. In physics, color is associated specifically with electromagnetic radiation of a …

Eye colour, heritable phenotypic (observable) trait determined by pigmentation and light scattering in the iris of the eye. The iris, the coloured part of the eye, is the ring of muscle and collagen …

Oct 16, 2025 · Melanin is a dark biological pigment (biochrome) occurring in the skin, hair, feathers, scales, eyes, and some internal membranes of humans and other animals. It is …

White and black are the most basic color terms of languages. The word white derives from Proto-Germanic hwitaz and Old English hwit.