Assertion: motion's motion | /r/HasProperty | observed for example
Facets:
value: in spermatozoa
type: LOCATION
Source sentences:
text: flagellar motility, a swimming-like motion (observed for example in spermatozoa, propelled by the regular beat of their flagellum, or the E. coli bacterium, which swims by rotating a helical prokaryotic flagellum)