diffuse alopecia; diffuse hair thinning; diffuse hair loss
Medical term for widespread, non-scarring hair thinning across the scalp, as opposed to patchy hair loss.
Diffuse alopecia is a condition where hair becomes thin across the entire scalp.
Diffuse hair loss in women can be caused by hormonal changes.
Compound of びまん性 (diffuse, from 瀰漫 'spreading widely' + 性 'nature') + 脱毛症 (alopecia, from 脱毛 'hair loss' + 症 'condition'). The term is a direct medical calque from English 'diffuse alopecia'.