Last Updated
：2025/11/24
melasma
Noun
uncountable
Japanese Meaning
妊娠女性に見られる、エストロゲンやプロゲステロンの影響でメラノサイトが刺激されることにより発生する、皮膚の茶色または暗い色素沈着（肝斑）
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(pathology) A tan or dark skin discoloration, particularly common in pregnant women, thought to be caused by the stimulation of melanocytes by estrogen and progesterone.
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melasma
During her second pregnancy, she noticed melasma spreading across her cheeks and forehead.
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During her second pregnancy, she noticed melasma spreading across her cheeks and forehead.
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