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What happens when erythrocytes are no longer useful?
When erythrocytes are no longer useful they are destroyed by macrophages in the spleen, liver, and bone marrow.
Where is the old red blood cells destroyed?
Red blood cells have a life span of about 120 days. They are formed in the bone marrow and destroyed by the reticuloendothelial cells present in spleen, liver, lymph nodes, brain, the heart or even in the muscles. Spleen is the major site of their destruction.
Can mature erythrocytes reproduce?
No. Erythrocytes are produced by bone marrow.
What tissue produces erythrocytes?
bone marrow
How do macrophages replicate?
Macrophages do not replicate. The bone marrow produces Monocytes which when they find a damaged area transform into Macrophages.
Which bone cell is derived from the bone marrow?
Osteoclasts. They are phagocytic just like macrophages and originate from the same stem cells in the bone marrow as macrophages.
What serves as a reservoir for erythrocytes and platelets?
the bone marrow
How are the red blood cells destroyed?
The spleen identifies "old" erythrocytes (RBCs) and destroys them. The life of an RBC is around 120 days.
What are formed in the bone marrow and are capable of amoeboid movement?
Macrophages
True or false Monocytes arise from the bone marrow and later develop into macrophages?
True. Monocytes are produced in the bone marrow and circulate in the bloodstream until they migrate into tissues where they differentiate into macrophages.
Where do macrophages destroy old red blood cells?
Macrophages primarily destroy old red blood cells in the spleen, although this process can also occur in the liver and bone marrow. The spleen serves as a key organ for filtering the blood and removing aged or damaged erythrocytes. Once engulfed, macrophages break down the hemoglobin within red blood cells, recycling iron and other components for future use.
What produces erythrocytes granular leukocytes and platelets?
they come from the bone marrow
