skin color

Human skin has six different colors, namely red, yellow, brown, blue, black and white, such as yellow and white skin, red lips. Mainly due to the difference in the amount and distribution of melanin in the skin, melanin is a protein derivative, which is brown or black and is produced by melanocytes. Because of the different number, size, type and distribution of melanin, different skin colors are determined. Skin diseases cause skin color changes. On the one hand, the skin can be blackened, and the range, location, and morphology of blackening can be different, and various spots and spots are formed. On the other hand, the skin pigmentation can be reduced to form a pale patch. Basic Information Specialist Category: Skin Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Taboo makeup, and check after strenuous exercise. Do not eat irritating foods and excitatory drugs. Normal value Normal skin is generally innate and does not change. The skin has six different colors, namely red, yellow, brown, blue, black and white, such as yellow and Caucasian skin, red lips. Melanin is a protein derivative that is brown or black in color and is produced by melanocytes. Because of the different number, size, type and distribution of melanin, different skin colors are determined. Clinical significance Abnormal results Skin diseases cause changes in skin color. On the one hand, skin can be blackened, and the range, location, and morphology of blackening can be different, and various spots and spots can be formed. On the other hand, the skin pigmentation can be reduced to form a pale patch. The person who needs to be examined has a skin color change, and the skin color changes due to skin disease. Precautions Forbidden before examination: taboo makeup, and check after strenuous exercise. Do not eat irritating foods and excitatory drugs. Requirements for inspection: It should be checked in a room with suitable temperature. The room temperature should be controlled at 20 °C ~ 27 °C and try to use natural light. When checking, pay attention to the contrast of the color of the symmetrical part of the limb to find the difference in color. Inspection process For skin examination, carefully observe the body up and down (from head to toe), each part of the front and back, including the chest, abdomen, back, buttocks and limbs, as well as the folds under the breast, chin, hair, nail bed, etc. Whether the part is normal, has there been any change, such as the area, color and surface of the cockroach, whitefly or scar, whether the ulcer on the skin has not healed for a long time, whether it feels sore, numb, slow reaction, all found one by one Record it, and then compare the abnormalities of the symptoms after each examination to see if there is any enlargement, discoloration or other changes. Not suitable for the crowd Inappropriate people: large-scale tattooers, drug users, and people who have lived in radiation for a long time. Adverse reactions and risks May cause redness and swelling of the skin.