what is bone marrow and it's use .Explain briefly
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Bone marrow examination is used in the diagnosis of a number of conditions, including leukemia, multiple myeloma, anemia, and pancytopenia. The bone marrowproduces the cellular elements of the blood, including platelets, red blood cells and white blood cells.
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Bone marrow is the soft spongy tissue that lies within the hollow interior of long bones. In adults, marrow in large bones produces new blood cells. Bone marrow forms around 4% of total body weight (around 2.6 kg in a healthy adult).
Types of bone marrow
There are two types of bone marrow:
red marrow that is responsible for producing red blood cells, white blood cells and plateletsyellow marrow consisting mainly of fat cells
There are a number of blood vessels and capillaries traversing through the marrow making it a very vascular organ.
At birth and in early childhood most of the marrow is red. As a person ages more and more of it is converted to the yellow type. About half of adult bone marrow is red.
Functions of bone marrow
Red blood cells (erythrocytes) carry oxygen to the tissues.
Platelets or thrombocytes (derived from megakaryocytes) help prevent bleeding and aid in clotting of blood.
Types of bone marrow
There are two types of bone marrow:
red marrow that is responsible for producing red blood cells, white blood cells and plateletsyellow marrow consisting mainly of fat cells
There are a number of blood vessels and capillaries traversing through the marrow making it a very vascular organ.
At birth and in early childhood most of the marrow is red. As a person ages more and more of it is converted to the yellow type. About half of adult bone marrow is red.
Functions of bone marrow
Red blood cells (erythrocytes) carry oxygen to the tissues.
Platelets or thrombocytes (derived from megakaryocytes) help prevent bleeding and aid in clotting of blood.
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