Assertion: nodule | /r/CapableOf | form cohesive unit
Facets:
Source sentences:
text: Nodules are independent, spherical, and dense cell clusters, which form a cohesive unit and display a consistent internal cell/tissue differentiation  and their production has been described for several species
text: Nodules are independent, spherical, dense cell clusters which form a cohesive unit and display a consistent internal cell/tissue differentiation.