The airway in the upright anaesthetised patient.
D000766:Anesthesia, Dental; D000768:Anesthesia, General; D006801:Humans; D006928:Hyoid Bone / Q000033:anatomy & histology; D010160:Palate, Soft / Q000033:anatomy & histology*; D011187:Posture; D012119:Respiration; D014059:Tongue / Q000033:anatomy & histology