Ultrastructure of the optic nerve head.
D000818:Animals; D000882:Haplorhini; D006801:Humans; D066298:In Vitro Techniques; D008566:Membranes / Q000166:cytology; D008854:Microscopy, Electron; D009457:Neuroglia / Q000166:cytology; D009900:Optic Nerve / Q000166:cytology*; D012160:Retina / Q000166:cytology; D012171:Retinal Vessels / Q000166:cytology; D014822:Vitreous Body / Q000166:cytology