Sites
of Hematopoiesis
Site of hematopoiesis:
1.During fetal
life
˜blood islands
of yolk sac
˜then liver
˜then spleen
2.Birth to
puberty
˜bone marrow
of long bones
3.Adulthood
˜bone marrow
of:
~sternum and
ribs
~vertebrae
~iliac crest
