Assertion: embryo's cell | /r/AtLocation | bone marrow
Facets:
Source sentences:
text: And they argue that scientists can achieve the same results using adult stem cells— immature cells found in bone marrow and other organs in adult human beings, as well as in umbilical cords normally discarded at birth.
text: Bone marrow stromal cells are a different type of adult stem cell, also found in bone marrow, that can make many types of cells.