Assertion: lymphocyte | /r/AtLocation | the bone marrow
Facets:
value: as white blood cells
type: MANNER
Source sentences:
text: Nomenclature, the system of naming things properly, is not trivial in this case because although lymphocytes are found in the bloodstream and originate in the bone marrow, they principally belong to the separate lymphatic system which interacts with the blood circulation.
text: This is in contrast to the adult where all lymphocytes originate in the bone marrow.
text: Phagocytes and lymphocytes both originate in the bone marrow as white blood cells and make up the body's natural immune system, but phagocytes include a larger group of cell types than lymphocytes.