Assertion: lignin | /r/CapableOf | migrate to the cell surface
Facets:
Source sentences:
text: (i) a coalescence phase, when temperature is above lignin softening point, allowing it to expand and move within the cell wall matrix; (ii) a migration phase, when lignin migrates to the cell surface, and finally (iii) particle formation and extrusion from the cell wall, as cellulose microfibrils are exposed and consequently attached to each other by hydrogen bonding.