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Which of the following is an agranulocyte?
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21. The Immune System
Cells of the Immune System: Agranulocytes
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Why is a bone marrow transplant used to replace defective lymphocytes in a patient?
A
Bone marrow creates common myeloid progenitor cells which differentiate into lymphocytes.
B
Bone marrow creates monocytes which differentiate into lymphocytes.
C
Bone marrow creates hematopoietic stem cells which differentiate into all immune cells including lymphocytes.
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Understand the role of bone marrow: Bone marrow is a vital tissue in the body responsible for producing blood cells, including immune cells.
Identify the types of stem cells in bone marrow: Bone marrow contains hematopoietic stem cells, which are multipotent stem cells capable of differentiating into various types of blood cells.
Differentiate between myeloid and lymphoid lineages: Hematopoietic stem cells can give rise to two main lineages: myeloid and lymphoid. Lymphocytes, which are crucial for the immune response, are derived from the lymphoid lineage.
Recognize the purpose of a bone marrow transplant: A bone marrow transplant is used to replace defective or damaged hematopoietic stem cells in a patient, thereby restoring the production of healthy blood cells, including lymphocytes.
Conclude the process: By transplanting healthy bone marrow, the patient receives new hematopoietic stem cells that can differentiate into all types of immune cells, including lymphocytes, thus re-establishing a functional immune system.
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