Assertion: circulatory system's vessel | /r/CapableOf | widen at the posterior of the proboscis
Facets:
value: into a space
type: TRANSITIVE-OBJECT
Source sentences:
text: The colourless blood passes forward in the dorsal vessel, which widens at the posterior of the proboscis into a space, the contractile wall of which pumps the blood into the glomerulus, an organ formed from an in-tucking of the hind wall of the proboscis cavity.