Assertion: euglena's flagellum | /r/CapableOf | extend through cylindrical-shaped canal
Facets:
value: before exiting the canal opening
type: TEMPORAL
Source sentences:
text: The emergent or swimming flagellum originates from the base of the reservoir and extends through a cylindrical-shaped canal (also a derivative of the flagellar pocket) before exiting the canal opening at the anterior end of the cell.