airway /air·way/ (-wa)
laryngeal mask airway,
1. the passage by which air enters and leaves the lungs.
2. a device for securing unobstructed respiration.
esophageal obturator airway a tube inserted into the esophagus to maintain airway patency in unconscious persons for positive-pressure ventilation through the attached face mask.
conducting airway the upper and lower airways considered together.
laryngeal mask airway a device for maintaining a patent airway without tracheal intubation, consisting of a tube connected to an oval inflatable cuff that seals the larynx.
lower airway the airway from the inferior end of the larynx to the ends of the terminal bronchioles.
nasopharyngeal airway a tube inserted through a nostril, across the floor of the nose, and through the nasopharynx so that the tongue does not block air flow in an unconscious person.
oropharyngeal airway a tube inserted through the mouth and pharynx so that the tongue does not block air flow in an unconscious person. 
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Airway. Oropharyngeal airway in place.
upper airway the airway from the nares and lips to the larynx.
laryngeal mask airway,
a device for maintaining a patent airway without tracheal intubation, consisting of a tube connected to an oval inflatable cuff that seals the larynx. Also called brain airway.
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