Assertion: immune system's cell | /r/AtLocation | bone marrow
Facets:
value: to undergo further development
type: PURPOSE
Source sentences:
text: These cells are found in the thymus, spleen, and bone marrow.
text: The pre-B cells stay in the bone marrow to undergo further development, while the T cell precursors migrate to an immune organ located in the neck (the thymus) to further develop.
text: The slower but more specific and effective adaptive immune response, which involves many cell types and soluble factors, but is primarily controlled by white blood cells (leukocytes) known as lymphocytes, which help control immune responses The cells of the blood, including all those involved in the immune response, arise in the bone marrow via various differentiation pathways from hematopoietic stem cells (Figure 4).