The first sign of erythroid development in an embryo occurs in:
a. The yolk sac
b. The AGM
c. The liver
d. A lymph node
Question 2
In cases when the bone marrow is compromised, hematopoiesis can resume in other organs. What is this phenomenon called, and what organs have this ability?
a. Hematopoiesis; lymph node and spleen
b. Extramedullary hematopoiesis; liver and spleen
c. Nuclear asynchrony; thymus and spleen
d. Diapedesis; blood vessels and brain