Assertion: periosteum's stem cell | /r/HasProperty | dispersed within extracellular matrix
Facets:
value: except for a few reticular fibrils
type: OTHER
value: widely
type: DEGREE
Source sentences:
text: Furthermore, the mesenchymal stem cells are widely dispersed within an extracellular matrix that is devoid of every type of collagen, except for a few reticular fibrils.