title: Histological evidence for pathological changes in the optic disc and retina associated with tracheal by-pass breathing in sheep.
mesh_terms: D000818:Animals; D001833:Body Temperature Regulation; D007442:Intubation, Intratracheal / Q000009:adverse effects / Q000662:veterinary*; D009297:Nasal Mucosa / Q000502:physiology; D009898:Optic Disk / Q000473:pathology*; D012119:Respiration; D012160:Retina / Q000473:pathology*; D012756:Sheep / Q000033:anatomy & histology* / Q000502:physiology