An abnormal access of color of the skin, local or general, usually dependent upon constitutional disorder; local pigmentary stains of the skin. The morbid process is called <internalXref urlencoded="melanopathia">melanopathia</internalXref>. Addison's disease is known as <em>suprarenal melasma.</em>
User Defined Definitions
"a tan discoloration of a woman's face that is associated with pregnancy or with the use of oral contraceptives"