Eye enucleation and substantia nigra.
D000818:Animals; D001933:Brain Stem / Q000033:anatomy & histology; D015186:Hominidae; D008854:Microscopy, Electron; D009410:Nerve Degeneration; D013508:Ophthalmologic Surgical Procedures; D009900:Optic Nerve / Q000033:anatomy & histology; D012160:Retina / Q000294:innervation*; D013378:Substantia Nigra / Q000033:anatomy & histology / Q000166:cytology*; D013572:Synaptic Vesicles