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Questions and Answers
Where do definitive hematopoietic stem cells (HSCs) develop during embryogenesis?
Where do definitive hematopoietic stem cells (HSCs) develop during embryogenesis?
- In the lymphoid tissues
- In the mesoderm layer
- In the spleen
- In the yolk sac (correct)
During which stage of embryonic development do blood cell progenitors appear?
During which stage of embryonic development do blood cell progenitors appear?
- First week
- Second week
- Fourth week
- Third week (correct)
Where do hematopoietic stem cells (HSCs) migrate to during the third month of embryonic development?
Where do hematopoietic stem cells (HSCs) migrate to during the third month of embryonic development?
- Yolk sac
- Lymph nodes
- Spleen
- Liver (correct)
After puberty, where is the hematopoietically active marrow restricted to?
After puberty, where is the hematopoietically active marrow restricted to?
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What is the percentage of granulocytes in the normal bone marrow?
What is the percentage of granulocytes in the normal bone marrow?
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