A little blister caused by sweat.
A white blister caused by sweat collecting in the sweat ducts or in the layers of the skin.
A group of azo compounds used for staining fats. The group includes Sudan I, Sudan II, Sudan III, Sudan IV, and Sudan black.
A noninflammatory eruption from sweat glands marked by whitish vesicles caused by the retention of sweat in the cornified layer of the skin, appearing after profuse sweating or in certain febrile diseases.