Assertion: optic nerve | /r/CapableOf | begin at optic disk
Facets:
value: a structure that is
type: OTHER
Source sentences:
text: The optic nerve begins at the optic disk, a structure that is 1.5 mm (0.06 inch) in diameter and is located at the back of the eye.
text: It begins at the optic disk, which is a structure 1.5 mm or 0.06 inch in diameter.
text: The optic nerve begins at the optic disk, a structure that is 1.5 mm (0.06 inch) in diameter and is located at the back of the eye.