Meaning of ENDOTRACHEAL TUBE

WordNet Dictionary
	Definition:		[n]  a catheter that is inserted into the trachea through the mouth or nose in order to maintain an open air passage or to deliver oxygen or to permit the suctioning of mucus or to prevent aspiration of the stomach contents
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	See Also:		catheter, nasotracheal tube
Biology Dictionary
	Definition:		In surgery, a tube which is passed through the mouth or nose into the trachea to provide a free passage for air into the lungs.