hemosiderin
noun
he·mo·sid·er·in
ˌhē-mō-ˈsi-də-rən 
: a yellowish-brown, iron-containing, granular pigment that is found within cells (such as macrophages), is composed chiefly of aggregates of ferritin, and is typically associated with bleeding and the breakdown of red blood cells (as in hemolytic anemia)
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“Hemosiderin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemosiderin. Accessed 29 Nov. 2024.
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hemosiderin
noun
he·mo·sid·er·in
variants
or chiefly British haemosiderin
: a yellowish brown granular pigment formed by breakdown of hemoglobin, found in phagocytes and in tissues especially in disturbances of iron metabolism (as in hemochromatosis, hemosiderosis, or some anemias), and composed essentially of colloidal ferric oxide compare ferritin
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