title: The mechanism of aqueous outflow in birds. I. An ultrastructural study of normal eyes.
mesh_terms: D000818:Animals; D000867:Anterior Chamber / Q000166:cytology*; D001082:Aqueous Humor / Q000166:cytology / Q000502:physiology; D001485:Basement Membrane; D001717:Birds; D002645:Chickens; D010856:Columbidae; D008853:Microscopy; D008854:Microscopy, Electron