Assertion: bone marrow's stem cell | /r/HasProperty | indistinguishable
Facets:
value: from fibroblasts
type: OTHER
value: morphologically
type: DEGREE
Source sentences:
text: Connective tissue may also contain undifferentiated stem cells, which are morphologically indistinguishable from fibroblasts but which (by definition) retain the ability to differentiate along various routes.