5 Questions
Where does definitive haemopoiesis derive from?
Dorsal aorta
During normal childhood and adult life, what is the only source of new blood cells?
Bone marrow
Where is the main site of haemopoiesis in the first few weeks of gestation?
Yolk sac
What is the most important site of haemopoiesis from 6 to 7 months of fetal life?
Bone marrow
How can various progenitor cells be identified?
Culture in semi-solid medium
Study Notes
Haemopoiesis
- Definitive haemopoiesis derives from the mesoderm.
- In normal childhood and adult life, the bone marrow is the only source of new blood cells.
- The main site of haemopoiesis in the first few weeks of gestation is the yolk sac.
- The liver is the most important site of haemopoiesis from 6 to 7 months of fetal life.
- Various progenitor cells can be identified by their ability to give rise to colonies of different types of blood cells in vitro.
Test your knowledge of haemopoiesis with this quiz, which covers the formation of red cells, granulocytes, monocytes, and platelets, as well as the site of haemopoiesis. Learn about the different stages of haemopoiesis and enhance your understanding of this essential biological process.
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