Assertion: blood vessel | /r/HasProperty | visible
Facets:
value: to the naked eye
type: TRANSITIVE-OBJECT
value: for the most part
type: DEGREE
value: hardly
type: DEGREE
Source sentences:
text: These blood vessels (which are hardly visible until they become inflamed and enlarged) are delicate, and their walls can easily break.
text: The blood vessels that are contained in the conjunctiva are, for the most part, not visible to the naked eye.