Control of flow of fetal lung fluid at the laryngeal outlet.
D000650:Amnion; D000818:Animals; D003287:Contrast Media; D004825:Epiglottis / Q000502:physiology; D005260:Female; D005333:Fetus / Q000502:physiology*; D007823:Laryngeal Nerves / Q000502:physiology; D007830:Larynx / Q000033:anatomy & histology; D008168:Lung / Q000502:physiology; D010614:Pharynx / Q000502:physiology; D011247:Pregnancy; D011859:Radiography; D012143:Respiratory Physiological Phenomena; D012137:Respiratory System / Q000000981:diagnostic imaging; D012756:Sheep; D013501:Surface-Active Agents / Q000502:physiology; D014132:Trachea / Q000502:physiology
D003287:Contrast Media; D013501:Surface-Active Agents