禿とく瘡そうMeanings1nounalopecia areatamedicineMedical term for a condition causing patchy hair loss, also known as 円形脱毛症 (えんけいだつもうしょう).See also: 円形脱毛症禿とく瘡そうは自じ己こ免めん疫えき疾しっ患かんの一ひとつと考かんがえられている。Alopecia areata is considered one of the autoimmune diseases.