Disease or Syndrome
chloasma
chlo·as·ma [ kloh-az-muh ]
Etymology:
Greek chloros = green
From this root, chloros, come a great many scientific terms: chlorine, chlorophyll, chlorosis, chloroform, et cetera.
From this root, chloros, come a great many scientific terms: chlorine, chlorophyll, chlorosis, chloroform, et cetera.
Also called:
Melasma
Definitions related to chloasma:
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(melasma) Symmetrical patches of tan or brown discoloration on the skin of the face that darken with sun exposure.NCI ThesaurusU.S. National Cancer Institute, 2021
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(melasma) Symmetrical, blotchy, brownish facial pigmentation.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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Melasma is dark brown patches of pigmentation that appear on sun-exposed areas of the skin, usually the face. Patchy areas of dark color appear on the skin.Merck & Co., Inc., 2020
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Melasma is an acquired hypermelanosis of sun-exposed areas. Melasma presents as symmetrically distributed hyperpigmented macules, which can be confluent or punctate.WebMD, 2019
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Melasma is an acquired pigmentary disorder of sun-exposed areas. Characteristically, patients have muddy brown macules on the skin, predominantly in the malar and central facial areas; however, it can also affect areas such as the forearms and neck. This is due to an increase in melanocyte activity and melanin deposition in the skin....Athenahealth, Inc., 2019
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