The primary site of hematopoiesis in a 4-month-old maturing fetus is:

Question

Quizplus · Accepted Answer

In a 4-month-old fetus, the primary site of hematopoiesis is the liver. As the fetus develops, hematopoiesis gradually shifts to the bone marrow, which becomes the primary site of hematopoiesis in the postnatal period. The spleen and lymph nodes can also contribute to hematopoiesis, particularly in certain disease states, but they are not the primary sites of hematopoiesis in a developing fetus.

The Primary Site of Hematopoiesis in a 4-Month-Old Maturing Fetus