title: Ultrastructure of junctional area between retina and optic nerve.
mesh_terms: D000818:Animals; D002415:Cats; D002462:Cell Membrane; D002467:Cell Nucleus; D008854:Microscopy, Electron; D008870:Microtubules; D009411:Nerve Endings; D009900:Optic Nerve / Q000166:cytology*; D012160:Retina / Q000166:cytology*