Assertion: telencephalon's cell | /r/CapableOf | migrate across former boundary
Facets:
value: to merge into one functional unit
type: PURPOSE
Source sentences:
text: After differentiation of the progenitor cells (at a precise stage yet to be fully determined), the ZLI and its lineage restriction disappears, allowing cells to migrate across the former boundary and the dorsal and ventral thalami to merge into one functional unit, as shown by replication-incompetent retroviral experiments that marked cells and showed their migration throughout the diencephalon.