Assertion: epidermis's cell | /r/CapableOf | migrate outward
Facets:
value: from the umbo
type: LOCATION
value: at a rate
type: MANNER
value: after division
type: TEMPORAL
Source sentences:
text: After division, cells migrate outwards to form a layer of spiny cells called stratum spinosum.
text: Cells formed in the center of the tympanic membrane migrate outwards from the umbo (at a rate equivalent to that of fingernail growth) to the walls of the ear canal, and accelerate towards the entrance of the ear canal.