Meaning & use
melanosis
Last updated
An abnormal darkening of the skin or tissue caused by an excess deposit of melanin.
See it in a sentence
The dermatologist examined the patch of melanosis on the patient's forearm.
Melanosis coli is a harmless darkening of the colon's lining sometimes linked to laxative use.
A note on using this word
A medical term; it describes a change in pigmentation and is not itself a diagnosis of a specific disease, though it can be a symptom worth investigating.
Words with a similar meaning
hyperpigmentation
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