10 Questions
Where is iron stored as ferritin in the body?
Intestinal epithelium
What is the molecular structure of hemosiderin?
Ferritin, denatured ferritin, and other materials
Why is the iron present in hemosiderin not readily available to the cell?
Iron in hemosiderin cannot supply iron to the cell when needed
How is iron mainly stored for the formation of new hemoglobin?
In the ferritin pool
What is the daily loss of iron for a woman due to menstrual cycle loss?
1.3 mg/day
How do erythroid progenitors obtain iron for hemoglobin synthesis?
From plasma transferrin
Where is iron absorbed from the intestine stored?
Intestinal epithelium
What role does transferrin play in iron transport?
Transporting iron in plasma
Which cells are responsible for ingesting released hemoglobin Mawa?
Monocyte-macrophage cells
What happens to additional quantities of iron when bleeding occurs?
Excreted into feces
Test your knowledge on iron metabolism, storage, and release mechanisms from macrophages. Learn about the role of ferritin and hemosiderin in iron excess situations. Understand the concept of Total Iron-Binding Capacity (TIBC) in iron transportation within the body.
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