Definitions for "Wheals"
Keywords:  welts, edema, epidermis, itches, bite
solid, distinct elevations in the skin formed by localized swelling, ranging in color from white to dark pink; welts
A wheal or "wheal response" is an area of edema in the upper epidermis that itches or burns. They usually indicate an insect bite, another type of allergic reaction, or injury to the skin.