hae·mo·sid·er·in /ˌhɪmoˈsɪdərən/ 名詞
  血鐵黃素,血鐵黃蛋白,含鐵血黃素
  haemosiderin
       n : a granular brown substance composed of ferric oxide; left
           from the breakdown of hemoglobin; can be a sign of
           disturbed iron metabolism [syn: hemosiderin]