Assertion: lymph node's lymphocyte | /r/CapableOf | leave bone marrow=
Facets:
Source sentences:
text: Pre-T lymphocytes leave bone marrow=> enter blood stream=> exit into thymus=> mature into T lymphocytes=> re-enter bloodstream=> waner periphery of the body
text: When their development is completed, the mature, thus functioning lymphocytes are ready to leave the bone marrow or lymphatic organs, respectively, in order to fulfill their chores in blood and tissues.