adult rabbit retina can express regeneration-associated characteristics after optic nerve injury , provided it is supplied with appropriate diffusible substances originating from media conditioned by regenerating fish optic nerves or by optic nerves of a newborn rabbit [ hadani et al. , proc . natl . acad . sci . u.s.a. , 81 ( 1984 ) 7965 ; schwartz et al. , science , 228 ( 1985 ) 600 ] .
C0029132
conditioned
C0029130
optic nerves