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pigment造句
1, Melanin is the dark brown pigment of the hair, skin and eyes. 2, Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being. 3, Haemoglobin is the red pigment found in blood. 4, The wool is coloured using only natural pigment dyes. 5, Pigment is mixed into oil, glue, egg, etc. to make different types of paint. 6, He makes his own paint, grinding up the pigment with a little oil. 7, Those cells which can form pigment migrate beneath the skin and enter all the feather germs. 8, The amount of pigment in paint effects the results on paper. 9, This reaction produces a dark pigment known as melanin, which is responsible for the discolouration. 10, Plant cells carry chloroplasts: organelles containing the pigment chlorophyll, which they employ to entrap sunlight. 11, Traces of yellow pigment were found on the craft, suggesting that it was brightly painted. 12, The autonomic nervous system disperses and concentrates pigment throughout the body after external influences such as fear or temperature change. 13, Eventually, animals may die because their respiratory pigment is no longer able to carry enough oxygen to support their metabolism. 14, It fades hair's natural pigment and the process is accelerated in colour-treated hair. 15, It can remove the deposits of pigment that clutter up old cells whether in tissue culture or in the brain. 16, Cells containing this pigment take some time to reach the skin's surface, depending on how recently the skin was last exposed. 17, In humans, malignant melanoma - a cancer of the cells containing skin pigment - is a particular hazard of excess sunbathing. 18, Flats are suitable for larger strokes, holding a good charge of pigment and are good for hard edges. 19, Living organisms do not have the ability to swap one respiratory pigment for another. 20, Bleaching is merely cosmetic, designed to take out some of the natural yellow pigment in flour. 21, Some cells migrate beneath the future skin and will give rise to pigment cells. 22, This can require a week to die down, and is followed by severe peeling that leaves no brown pigment remaining. 23, Although it is sold under that name it will have been replaced with a pigment or dye colourant. 24, Another moment it's retouch with a decorator's brush, load every rift with pigment, and so on. 25, Avoid moisture based products which swell the hair and allow the pigment to escape. 26, However, the fraction of light absorbed is an exponential function of the pigment concentration in a leaf of a given thickness. 27, The robe, too, is painted in Prussian blue, a pigment not introduced until the eighteenth century. 28, Within each feather there is a further patterning which determines the distribution of the pigment. 29, Cetacean muscle is usually very dark because of the presence of the respiratory pigment myoglobin, which acts as an oxygen reservoir. 30, In daytime our skin synthesises vitamin D and a natural protective pigment whilst facial movements enhance tone and elasticity.