the migration of cba/ht6t6 haemopoietic cells ( adult bone marrow , embryonic liver or yolk sac ) to established thymus grafts , in cba/h 60-day neonatally thymectomized hosts , shows that all three cell types can migrate and divide within the grafts , albeit yolk sac cells appear later after cell injection .
C1622501
the migration
C0007634
cell