Assertion: optic nerve | /r/HasProperty | cut
Facets:
Source sentences:
text: The two teams began collaborating, Sanes said, with the goal of understanding whether, when the optic nerve is cut, neurons die off uniformly, or whether certain types of cells are more likely to survive.
text: Though they initially make up just 5 percent of neurons in the optic nerve, they make up 20 percent of the neurons that survive after the optic nerve is cut.