粉ふん瘤りゅうふんりゅうMeanings1nounatheromamedicineMedical term for a fatty deposit in an artery wall, or a sebaceous cyst. Used in clinical contexts.動どう脈みゃく硬こう化かは粉ふん瘤りゅうの形けい成せいと関かん連れんがある。Arteriosclerosis is associated with the formation of atheromas.