melanosis
/ˌmɛləˈnoʊsɪs/
noun
- A condition in which there is an abnormal increase of melanin in body tissues, causing darkening of the skin or other organs.
- Doctors explained that melanosis of the skin is different from melanoma.
- Melanosis can occur in the colon and is often discovered during a colonoscopy.
- The patient's melanosis was benign and required no treatment.