From The Magic Pivot (灵枢 líng shū, jīng mài). A skin-colored, white or dirty yellowish nonsuppurating growth up to the size of a soybean, like the center of a daisy or similar flower in texture, dry and light in substance, slightly painful under pressure, tending to bleed easily when knocked or grazed, and occurring singly or multiply on the back, the back of the fingers, or scalp; attributed to wind evil contending in the skin or to liver vacuity and blood dryness and sinew qì lacking in luxuriance.