A tracheal tube inserted through the nasal passages. ... (05 Mar 2000) ... 
an endotracheal tube that passes through the nose.
Type: Term Definitions: 1. a tracheal tube inserted through the nasal passages.
[n] - a tube inserted into the trachea through the nose and pharynx
noun a tube inserted into the trachea through the nose and pharynx; used to deliver oxygen