Assertion: lymphatic system's vessel | /r/CapableOf | contribute to lymph clearance
Facets:
value: by active contraction
type: TEMPORAL
Source sentences:
text: It was also found that pumping is less effective as the lymphangion diameter decreases owing to an increase in external pressure, indicating that when oedema is present collecting vessels in the affected region will not be able to contribute to lymph clearance by active contraction.