Assertion: cytoskeleton's structure | /r/HasProperty | so-called spines
Facets:
Source sentences:
text: Perhaps the most striking F-actin-based structures in dendrites are so-called spines, small membranous protrusions that harbor synapses.
text: Each time the cell goes through division the microtubule network is completely disassembled and the tubulin subunits are reassembled into a new structure called the spindle.