noun
melanocytic nevus; pigmented nevus; nevocellular nevus
Medical term for a common type of mole or birthmark composed of nevus cells. Used in dermatology and pathology contexts.
See also: 色素性母斑
皮膚科で母斑細胞母斑の検査を受けた。
I had a melanocytic nevus examined at the dermatology clinic.
A broader term for pigmented nevi; 母斑細胞母斑 specifically refers to nevi composed of nevus cells.
Compound of 母斑 (ぼはん, 'nevus, birthmark') + 細胞 (さいぼう, 'cell') + 母斑 (ぼはん, 'nevus'), literally 'nevus cell nevus'. The exact historical derivation is uncertain; the term is a modern medical coinage.