Assertion: bone marrow's cell | /r/HasProperty | maintained in the presence of mitogen
Facets:
value: depending on the culture conditions
type: OTHER
Source sentences:
text: Depending on the culture conditions, the cells in the neurospheres could be maintained in an undifferentiated dividing state (in the presence of mitogen), or dissociated and induced to differentiate (after the removal of mitogen and the addition of specific growth factors to the culture medium).