Assertion: rattlesnake's fang | /r/HasAspect | groove
Facets:
value: into the wound
type: TRANSITIVE-OBJECT
value: on the posterior edge
type: LOCATION
value: to channel venom
type: PURPOSE
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.
text: The Duvernoy's gland is located on the posterior end of the eye with a duct that connects to the rear fangs, which are enlarged and have grooves into which the venom flows.