10 Questions
Where does definitive hematopoiesis occur during embryonic life?
Yolk sac
What is the primary function of hematopoiesis?
Renewal and specialization of blood cells
When does hematopoiesis start?
During embryonic life
Which region of the developing embryo is associated with definitive hematopoiesis?
Aorta–gonad–mesonephros (AGM) region
Which blood cell lines are involved in hematopoiesis?
(RBCs) Red Blood Cells, (WBCs) White Blood Cells, and Platelets
During fetal life, which organs are the major hematopoietic organs from 6 weeks until 6–7 months?
Liver and spleen
At what stage of gestation does hematopoiesis begin to occur in the bone marrow?
4 to 5 months
When does hemopoiesis become confined to the bone marrow after birth?
Between the fourth and fifth month of fetal development
Where is medullary hematopoiesis confined to after birth?
Bone marrow
Which organ contributes to fetal hematopoiesis in addition to the liver and spleen?
Placenta
Learn about the continuous process of blood cell production and maturation, from embryonic to adult life, and the changing sites of hematopoiesis during development.
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