title: Degeneration of optic nerve terminals in the frog tectum.
mesh_terms: D000818:Animals; D001001:Anura; D003593:Cytoplasm; D005123:Eye; D008247:Lysosomes; D008854:Microscopy, Electron; D008928:Mitochondria / Q000473:pathology; D009410:Nerve Degeneration; D009411:Nerve Endings / Q000473:pathology*; D009900:Optic Nerve / Q000473:pathology*; D011896:Rana temporaria; D013572:Synaptic Vesicles; D003336:Tectum Mesencephali / Q000473:pathology*; D013997:Time Factors