Assertion: muscle fiber's nucleus | /r/CapableOf | undergo process
Facets:
Source sentences:
text: Before the discovery of the satellite cell it was unclear whether there existed a mononucleate cell with the sole purpose of repairing damaged muscle fibers, or whether the nuclei of damaged fibers underwent a process whereby they replicated and ensheathed themselves in their own membrane, thereby proceeding to participate in their own repair.