Assertion: viper's fang | /r/HasAspect | groove
Facets:
value: into the wound
type: TRANSITIVE-OBJECT
value: to channel venom
type: PURPOSE
value: on the posterior edge
type: LOCATION
value: merely
type: MANNER
Source sentences:
text: The fangs of 'advanced' venomous snakes like viperids and elapids are hollow to inject venom more effectively, while the fangs of rear-fanged snakes such as the boomslang merely have a groove on the posterior edge to channel venom into the wound.