Hemosiderin meaning

Hemosiderin is an iron-containing pigment that is derived from the breakdown of hemoglobin.


Hemosiderin definitions

Word backwards niredisomeh
Part of speech The word hemosiderin is a noun.
Syllabic division he-mo-sid-er-in
Plural The plural of hemosiderin is hemosiderins.
Total letters 11
Vogais (3) e,o,i
Consonants (6) h,m,s,d,r,n

What is Hemosiderin?

Hemosiderin is a protein complex that is a byproduct of the breakdown of hemoglobin. It is a granular brown pigment containing iron and is derived from the Greek word "haima" meaning blood, and "sideros" meaning iron. Hemosiderin is stored within cells in the body, particularly in macrophages.

Formation of Hemosiderin

When red blood cells are broken down, the hemoglobin released is metabolized into heme and globin. Heme is then broken down further into iron and biliverdin. Biliverdin is then converted to bilirubin and eventually converted to hemosiderin for storage in the cells.

Role of Hemosiderin

Hemosiderin plays a crucial role in the body's iron metabolism. It stores excess iron within cells, preventing potential oxidative damage that free iron molecules can cause. The iron stored in hemosiderin is in a non-labile form, making it less reactive compared to free iron.

Hemosiderin Deposition

Abnormal accumulation of hemosiderin in tissues can occur in conditions such as hemosiderosis or hemochromatosis. This buildup of iron can lead to tissue damage and dysfunction. It can be detected through various imaging techniques such as MRI or biopsy.

Management

Management of conditions related to hemosiderin deposition involves treating the underlying cause, such as managing iron overload or addressing the condition causing increased breakdown of red blood cells. Therapies may include iron chelation therapy or phlebotomy to reduce iron levels in the body.


Hemosiderin Examples

  1. Hemosiderin is a pigment containing iron found in the body's tissues.
  2. Excessive accumulation of hemosiderin can lead to tissue damage.
  3. A stain for hemosiderin can be used to identify iron deposits in tissue samples.
  4. Hemosiderin deposition can occur in conditions such as hemochromatosis.
  5. Doctors may look for hemosiderin-laden macrophages in the lungs of patients with pulmonary hemosiderosis.
  6. Some skin conditions can result in hemosiderin staining, known as dermatohemochromatosis.
  7. Hemosiderin can be detected in urine in conditions like hemoglobinuria.
  8. Radiology imaging can show hemosiderin deposition in certain types of brain hemorrhages.
  9. Treatment for hemosiderin deposition may involve iron chelation therapy.
  10. Research is ongoing to better understand the role of hemosiderin in various diseases.


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  • Updated 21/04/2024 - 13:44:54