Assertion: meristem's cell | /r/CapableOf | divide in a plane perpendicular
Facets:
value: to form 4-celled filament
type: TRANSITIVE-OBJECT
value: to the first division
type: LOCATION
value: to form a quadrant
type: PURPOSE
value: longitudinally
type: MANNER
Source sentences:
text: The two cells each divide again longitudinally in a plane perpendicular to the first division to form a quadrant or 4-celled filament (Figure 9).