Medical Term:

chloasma

Pronunciation: klō-az′mă

Definition: Melanoderma or melasma characterized by the occurrence of extensive brown patches of irregular shape and size on the skin of the face and elsewhere; the pigmented facial patches if confluent are also called the mask of pregnancy, and are associated most commonly with pregnancy and use of oral contraceptives.

[G. chloazō, to become green]

See Also: melasma

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